Finding the Fourth Proportional to 10,365,070.05, 15,547,605.08 and 9,169,327.80
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Solution
The fourth proportional to 10,365,070.05, 15,547,605.08 and 9,169,327.80 is: 13,753,991.70
Step by Step Solution
- Step 1: Write the proportion equation
10,365,070.05 : 15,547,605.08 = 9,169,327.80 : x - Step 2: Convert to fraction form
10,365,070.05/15,547,605.08 = 9,169,327.80/x - Step 3: Cross multiply
10,365,070.05x = 15,547,605.08 × 9,169,327.80 - Step 4: Simplify right side
10,365,070.05x = 142,561,087,483,465.25 - Step 5: Solve for x
x = 142,561,087,483,465.25/10,365,070.05 - Step 6: Final answer
x = 13,753,991.70
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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.