Finding the Fourth Proportional to 27,278,894.70, 40,924,246.95 and 8,111,589.30
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Solution
The fourth proportional to 27,278,894.70, 40,924,246.95 and 8,111,589.30 is: 12,169,139.82
Step by Step Solution
- Step 1: Write the proportion equation
27,278,894.70 : 40,924,246.95 = 8,111,589.30 : x - Step 2: Convert to fraction form
27,278,894.70/40,924,246.95 = 8,111,589.30/x - Step 3: Cross multiply
27,278,894.70x = 40,924,246.95 × 8,111,589.30 - Step 4: Simplify right side
27,278,894.70x = 331,960,683,670,177.62 - Step 5: Solve for x
x = 331,960,683,670,177.62/27,278,894.70 - Step 6: Final answer
x = 12,169,139.82
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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.