Finding the Fourth Proportional to 40,919,908.80, 61,403,482.80 and 15,363,501.60
Calculator
Solution
The fourth proportional to 40,919,908.80, 61,403,482.80 and 15,363,501.60 is: 23,054,120.45
Step by Step Solution
- Step 1: Write the proportion equation
40,919,908.80 : 61,403,482.80 = 15,363,501.60 : x - Step 2: Convert to fraction form
40,919,908.80/61,403,482.80 = 15,363,501.60/x - Step 3: Cross multiply
40,919,908.80x = 61,403,482.80 × 15,363,501.60 - Step 4: Simplify right side
40,919,908.80x = 943,372,506,243,372.38 - Step 5: Solve for x
x = 943,372,506,243,372.38/40,919,908.80 - Step 6: Final answer
x = 23,054,120.45
Related Problems
Find fourth proportional to 20,459,954.40, 30,701,741.40 and 7,681,750.80
Half scale
Find fourth proportional to 81,839,817.60, 122,806,965.60 and 30,727,003.20
Double scale
Find fourth proportional to 40,919,909.80, 61,403,484.30 and 15,363,502.60
Similar ratio
Find fourth proportional to 61,379,863.20, 92,105,224.20 and 23,045,252.40
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.