Finding the Fourth Proportional to 40,737,992.13, 56,217,307.91 and 22,403,278.17
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Solution
The fourth proportional to 40,737,992.13, 56,217,307.91 and 22,403,278.17 is: 30,915,907.27
Step by Step Solution
- Step 1: Write the proportion equation
40,737,992.13 : 56,217,307.91 = 22,403,278.17 : x - Step 2: Convert to fraction form
40,737,992.13/56,217,307.91 = 22,403,278.17/x - Step 3: Cross multiply
40,737,992.13x = 56,217,307.91 × 22,403,278.17 - Step 4: Simplify right side
40,737,992.13x = 1,259,451,986,964,255 - Step 5: Solve for x
x = 1,259,451,986,964,255/40,737,992.13 - Step 6: Final answer
x = 30,915,907.27
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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.