Home / 13,377,831.40-20,066,747.10-11,299,306.60

Finding the Fourth Proportional to 13,377,831.40, 20,066,747.10 and 11,299,306.60

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Solution

The fourth proportional to 13,377,831.40, 20,066,747.10 and 11,299,306.60 is: 16,948,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,831.40 : 20,066,747.10 = 11,299,306.60 : x
  2. Step 2: Convert to fraction form
    13,377,831.40/20,066,747.10 = 11,299,306.60/x
  3. Step 3: Cross multiply
    13,377,831.40x = 20,066,747.10 × 11,299,306.60
  4. Step 4: Simplify right side
    13,377,831.40x = 226,740,327,947,560.88
  5. Step 5: Solve for x
    x = 226,740,327,947,560.88/13,377,831.40
  6. Step 6: Final answer
    x = 16,948,959.90

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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.