Finding the Fourth Proportional to 52,387,617.12, 72,297,089.37 and 29,182,737.66
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Solution
The fourth proportional to 52,387,617.12, 72,297,089.37 and 29,182,737.66 is: 40,273,391.09
Step by Step Solution
- Step 1: Write the proportion equation
52,387,617.12 : 72,297,089.37 = 29,182,737.66 : x - Step 2: Convert to fraction form
52,387,617.12/72,297,089.37 = 29,182,737.66/x - Step 3: Cross multiply
52,387,617.12x = 72,297,089.37 × 29,182,737.66 - Step 4: Simplify right side
52,387,617.12x = 2,109,826,992,666,284.75 - Step 5: Solve for x
x = 2,109,826,992,666,284.75/52,387,617.12 - Step 6: Final answer
x = 40,273,391.09
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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.