Finding the Fourth Proportional to 39,745,387.08, 59,618,006.16 and 12,453,769.12
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Solution
The fourth proportional to 39,745,387.08, 59,618,006.16 and 12,453,769.12 is: 18,680,630.35
Step by Step Solution
- Step 1: Write the proportion equation
39,745,387.08 : 59,618,006.16 = 12,453,769.12 : x - Step 2: Convert to fraction form
39,745,387.08/59,618,006.16 = 12,453,769.12/x - Step 3: Cross multiply
39,745,387.08x = 59,618,006.16 × 12,453,769.12 - Step 4: Simplify right side
39,745,387.08x = 742,468,884,111,377.62 - Step 5: Solve for x
x = 742,468,884,111,377.62/39,745,387.08 - Step 6: Final answer
x = 18,680,630.35
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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.