Finding the Fourth Proportional to 39,342,713.19, 54,307,899.54 and 29,581,502.82
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Solution
The fourth proportional to 39,342,713.19, 54,307,899.54 and 29,581,502.82 is: 40,833,718.70
Step by Step Solution
- Step 1: Write the proportion equation
39,342,713.19 : 54,307,899.54 = 29,581,502.82 : x - Step 2: Convert to fraction form
39,342,713.19/54,307,899.54 = 29,581,502.82/x - Step 3: Cross multiply
39,342,713.19x = 54,307,899.54 × 29,581,502.82 - Step 4: Simplify right side
39,342,713.19x = 1,606,509,283,390,786.75 - Step 5: Solve for x
x = 1,606,509,283,390,786.75/39,342,713.19 - Step 6: Final answer
x = 40,833,718.70
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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.