Home / 20,234,743.90-30,352,115.85-16,691,803.90

Finding the Fourth Proportional to 20,234,743.90, 30,352,115.85 and 16,691,803.90

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Solution

The fourth proportional to 20,234,743.90, 30,352,115.85 and 16,691,803.90 is: 25,037,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,743.90 : 30,352,115.85 = 16,691,803.90 : x
  2. Step 2: Convert to fraction form
    20,234,743.90/30,352,115.85 = 16,691,803.90/x
  3. Step 3: Cross multiply
    20,234,743.90x = 30,352,115.85 × 16,691,803.90
  4. Step 4: Simplify right side
    20,234,743.90x = 506,631,565,718,281.88
  5. Step 5: Solve for x
    x = 506,631,565,718,281.88/20,234,743.90
  6. Step 6: Final answer
    x = 25,037,705.85

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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.