Finding the Fourth Proportional to 7,201,045.68, 9,937,615.92 and 4,103,502.78
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Solution
The fourth proportional to 7,201,045.68, 9,937,615.92 and 4,103,502.78 is: 5,662,932.35
Step by Step Solution
- Step 1: Write the proportion equation
7,201,045.68 : 9,937,615.92 = 4,103,502.78 : x - Step 2: Convert to fraction form
7,201,045.68/9,937,615.92 = 4,103,502.78/x - Step 3: Cross multiply
7,201,045.68x = 9,937,615.92 × 4,103,502.78 - Step 4: Simplify right side
7,201,045.68x = 40,779,034,554,292.26 - Step 5: Solve for x
x = 40,779,034,554,292.26/7,201,045.68 - Step 6: Final answer
x = 5,662,932.35
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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.