Finding the Fourth Proportional to 39,906,918.30, 59,869,234.80 and 18,336,318.60
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Solution
The fourth proportional to 39,906,918.30, 59,869,234.80 and 18,336,318.60 is: 27,508,547.65
Step by Step Solution
- Step 1: Write the proportion equation
39,906,918.30 : 59,869,234.80 = 18,336,318.60 : x - Step 2: Convert to fraction form
39,906,918.30/59,869,234.80 = 18,336,318.60/x - Step 3: Cross multiply
39,906,918.30x = 59,869,234.80 × 18,336,318.60 - Step 4: Simplify right side
39,906,918.30x = 1,097,781,363,631,007.38 - Step 5: Solve for x
x = 1,097,781,363,631,007.38/39,906,918.30 - Step 6: Final answer
x = 27,508,547.65
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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.