Home / 12,324,834.60-18,487,251.90-11,403,670.20

Finding the Fourth Proportional to 12,324,834.60, 18,487,251.90 and 11,403,670.20

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Solution

The fourth proportional to 12,324,834.60, 18,487,251.90 and 11,403,670.20 is: 17,105,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,834.60 : 18,487,251.90 = 11,403,670.20 : x
  2. Step 2: Convert to fraction form
    12,324,834.60/18,487,251.90 = 11,403,670.20/x
  3. Step 3: Cross multiply
    12,324,834.60x = 18,487,251.90 × 11,403,670.20
  4. Step 4: Simplify right side
    12,324,834.60x = 210,822,523,571,923.34
  5. Step 5: Solve for x
    x = 210,822,523,571,923.34/12,324,834.60
  6. Step 6: Final answer
    x = 17,105,505.30

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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.