Home / 47,652,385.53-71,470,351.52-12,637,742.79

Finding the Fourth Proportional to 47,652,385.53, 71,470,351.52 and 12,637,742.79

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Solution

The fourth proportional to 47,652,385.53, 71,470,351.52 and 12,637,742.79 is: 18,954,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,652,385.53 : 71,470,351.52 = 12,637,742.79 : x
  2. Step 2: Convert to fraction form
    47,652,385.53/71,470,351.52 = 12,637,742.79/x
  3. Step 3: Cross multiply
    47,652,385.53x = 71,470,351.52 × 12,637,742.79
  4. Step 4: Simplify right side
    47,652,385.53x = 903,223,919,620,645.38
  5. Step 5: Solve for x
    x = 903,223,919,620,645.38/47,652,385.53
  6. Step 6: Final answer
    x = 18,954,432.39

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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.