Finding the Fourth Proportional to 7,771,614.72, 10,724,565.99 and 4,287,092.73
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Solution
The fourth proportional to 7,771,614.72, 10,724,565.99 and 4,287,092.73 is: 5,916,043.26
Step by Step Solution
- Step 1: Write the proportion equation
7,771,614.72 : 10,724,565.99 = 4,287,092.73 : x - Step 2: Convert to fraction form
7,771,614.72/10,724,565.99 = 4,287,092.73/x - Step 3: Cross multiply
7,771,614.72x = 10,724,565.99 × 4,287,092.73 - Step 4: Simplify right side
7,771,614.72x = 45,977,208,888,134.26 - Step 5: Solve for x
x = 45,977,208,888,134.26/7,771,614.72 - Step 6: Final answer
x = 5,916,043.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.