Finding the Fourth Proportional to 8,176,353.12, 12,275,381.52 and 6,985,925.28
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Solution
The fourth proportional to 8,176,353.12, 12,275,381.52 and 6,985,925.28 is: 10,488,159.80
Step by Step Solution
- Step 1: Write the proportion equation
8,176,353.12 : 12,275,381.52 = 6,985,925.28 : x - Step 2: Convert to fraction form
8,176,353.12/12,275,381.52 = 6,985,925.28/x - Step 3: Cross multiply
8,176,353.12x = 12,275,381.52 × 6,985,925.28 - Step 4: Simplify right side
8,176,353.12x = 85,754,898,082,212.83 - Step 5: Solve for x
x = 85,754,898,082,212.83/8,176,353.12 - Step 6: Final answer
x = 10,488,159.80
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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.