Finding the Fourth Proportional to 19,586,472.20, 29,358,713.10 and 7,451,246.60
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Solution
The fourth proportional to 19,586,472.20, 29,358,713.10 and 7,451,246.60 is: 11,168,882.73
Step by Step Solution
- Step 1: Write the proportion equation
19,586,472.20 : 29,358,713.10 = 7,451,246.60 : x - Step 2: Convert to fraction form
19,586,472.20/29,358,713.10 = 7,451,246.60/x - Step 3: Cross multiply
19,586,472.20x = 29,358,713.10 × 7,451,246.60 - Step 4: Simplify right side
19,586,472.20x = 218,759,011,166,750.47 - Step 5: Solve for x
x = 218,759,011,166,750.47/19,586,472.20 - Step 6: Final answer
x = 11,168,882.73
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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.