Finding the Fourth Proportional to 54,240,915.12, 74,853,012.12 and 29,461,585.80
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Solution
The fourth proportional to 54,240,915.12, 74,853,012.12 and 29,461,585.80 is: 40,657,286.74
Step by Step Solution
- Step 1: Write the proportion equation
54,240,915.12 : 74,853,012.12 = 29,461,585.80 : x - Step 2: Convert to fraction form
54,240,915.12/74,853,012.12 = 29,461,585.80/x - Step 3: Cross multiply
54,240,915.12x = 74,853,012.12 × 29,461,585.80 - Step 4: Simplify right side
54,240,915.12x = 2,205,288,438,961,820 - Step 5: Solve for x
x = 2,205,288,438,961,820/54,240,915.12 - Step 6: Final answer
x = 40,657,286.74
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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.