Home / 38,503,478.80-57,755,218.20-15,776,822.80

Finding the Fourth Proportional to 38,503,478.80, 57,755,218.20 and 15,776,822.80

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Solution

The fourth proportional to 38,503,478.80, 57,755,218.20 and 15,776,822.80 is: 23,665,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503,478.80 : 57,755,218.20 = 15,776,822.80 : x
  2. Step 2: Convert to fraction form
    38,503,478.80/57,755,218.20 = 15,776,822.80/x
  3. Step 3: Cross multiply
    38,503,478.80x = 57,755,218.20 × 15,776,822.80
  4. Step 4: Simplify right side
    38,503,478.80x = 911,193,843,316,735
  5. Step 5: Solve for x
    x = 911,193,843,316,735/38,503,478.80
  6. Step 6: Final answer
    x = 23,665,234.20

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Double scale
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Similar ratio
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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.