Finding the Fourth Proportional to 8,791,306.98, 12,125,332.26 and 7,701,686.88
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Solution
The fourth proportional to 8,791,306.98, 12,125,332.26 and 7,701,686.88 is: 10,622,483.39
Step by Step Solution
- Step 1: Write the proportion equation
8,791,306.98 : 12,125,332.26 = 7,701,686.88 : x - Step 2: Convert to fraction form
8,791,306.98/12,125,332.26 = 7,701,686.88/x - Step 3: Cross multiply
8,791,306.98x = 12,125,332.26 × 7,701,686.88 - Step 4: Simplify right side
8,791,306.98x = 93,385,512,382,482.75 - Step 5: Solve for x
x = 93,385,512,382,482.75/8,791,306.98 - Step 6: Final answer
x = 10,622,483.39
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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.