Finding the Fourth Proportional to 17,715,251.70, 26,572,877.55 and 13,432,230.90
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Solution
The fourth proportional to 17,715,251.70, 26,572,877.55 and 13,432,230.90 is: 20,148,346.35
Step by Step Solution
- Step 1: Write the proportion equation
17,715,251.70 : 26,572,877.55 = 13,432,230.90 : x - Step 2: Convert to fraction form
17,715,251.70/26,572,877.55 = 13,432,230.90/x - Step 3: Cross multiply
17,715,251.70x = 26,572,877.55 × 13,432,230.90 - Step 4: Simplify right side
17,715,251.70x = 356,933,026,929,026.31 - Step 5: Solve for x
x = 356,933,026,929,026.31/17,715,251.70 - Step 6: Final answer
x = 20,148,346.35
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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.