Finding the Fourth Proportional to 10,222,246.10, 15,320,344.35 and 5,432,230.10
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Solution
The fourth proportional to 10,222,246.10, 15,320,344.35 and 5,432,230.10 is: 8,141,423.61
Step by Step Solution
- Step 1: Write the proportion equation
10,222,246.10 : 15,320,344.35 = 5,432,230.10 : x - Step 2: Convert to fraction form
10,222,246.10/15,320,344.35 = 5,432,230.10/x - Step 3: Cross multiply
10,222,246.10x = 15,320,344.35 × 5,432,230.10 - Step 4: Simplify right side
10,222,246.10x = 83,223,635,720,434.92 - Step 5: Solve for x
x = 83,223,635,720,434.92/10,222,246.10 - Step 6: Final answer
x = 8,141,423.61
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1.5x scale
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.