Finding the Fourth Proportional to 52,257,490.44, 72,115,616.97 and 28,737,543.12
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Solution
The fourth proportional to 52,257,490.44, 72,115,616.97 and 28,737,543.12 is: 39,657,963.57
Step by Step Solution
- Step 1: Write the proportion equation
52,257,490.44 : 72,115,616.97 = 28,737,543.12 : x - Step 2: Convert to fraction form
52,257,490.44/72,115,616.97 = 28,737,543.12/x - Step 3: Cross multiply
52,257,490.44x = 72,115,616.97 × 28,737,543.12 - Step 4: Simplify right side
52,257,490.44x = 2,072,425,652,300,778.75 - Step 5: Solve for x
x = 2,072,425,652,300,778.75/52,257,490.44 - Step 6: Final answer
x = 39,657,963.57
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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.