Finding the Fourth Proportional to 31,737,963.60, 47,708,422.20 and 29,491,477.20
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Solution
The fourth proportional to 31,737,963.60, 47,708,422.20 and 29,491,477.20 is: 44,331,509.84
Step by Step Solution
- Step 1: Write the proportion equation
31,737,963.60 : 47,708,422.20 = 29,491,477.20 : x - Step 2: Convert to fraction form
31,737,963.60/47,708,422.20 = 29,491,477.20/x - Step 3: Cross multiply
31,737,963.60x = 47,708,422.20 × 29,491,477.20 - Step 4: Simplify right side
31,737,963.60x = 1,406,991,845,559,274 - Step 5: Solve for x
x = 1,406,991,845,559,274/31,737,963.60 - Step 6: Final answer
x = 44,331,509.84
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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.