Finding the Fourth Proportional to 10,365,074.05, 15,552,276.68 and 4,971,640.45
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Solution
The fourth proportional to 10,365,074.05, 15,552,276.68 and 4,971,640.45 is: 7,459,698.55
Step by Step Solution
- Step 1: Write the proportion equation
10,365,074.05 : 15,552,276.68 = 4,971,640.45 : x - Step 2: Convert to fraction form
10,365,074.05/15,552,276.68 = 4,971,640.45/x - Step 3: Cross multiply
10,365,074.05x = 15,552,276.68 × 4,971,640.45 - Step 4: Simplify right side
10,365,074.05x = 77,320,327,831,879.70 - Step 5: Solve for x
x = 77,320,327,831,879.70/10,365,074.05 - Step 6: Final answer
x = 7,459,698.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.