Home / 20,722,209.60-31,083,314.40-16,187,246.40

Finding the Fourth Proportional to 20,722,209.60, 31,083,314.40 and 16,187,246.40

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Solution

The fourth proportional to 20,722,209.60, 31,083,314.40 and 16,187,246.40 is: 24,280,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,209.60 : 31,083,314.40 = 16,187,246.40 : x
  2. Step 2: Convert to fraction form
    20,722,209.60/31,083,314.40 = 16,187,246.40/x
  3. Step 3: Cross multiply
    20,722,209.60x = 31,083,314.40 × 16,187,246.40
  4. Step 4: Simplify right side
    20,722,209.60x = 503,153,269,121,468.12
  5. Step 5: Solve for x
    x = 503,153,269,121,468.12/20,722,209.60
  6. Step 6: Final answer
    x = 24,280,869.60

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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.