Home / 13,469,358.52-18,588,122.58-7,358,180.68

Finding the Fourth Proportional to 13,469,358.52, 18,588,122.58 and 7,358,180.68

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Solution

The fourth proportional to 13,469,358.52, 18,588,122.58 and 7,358,180.68 is: 10,154,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,358.52 : 18,588,122.58 = 7,358,180.68 : x
  2. Step 2: Convert to fraction form
    13,469,358.52/18,588,122.58 = 7,358,180.68/x
  3. Step 3: Cross multiply
    13,469,358.52x = 18,588,122.58 × 7,358,180.68
  4. Step 4: Simplify right side
    13,469,358.52x = 136,774,764,445,627.73
  5. Step 5: Solve for x
    x = 136,774,764,445,627.73/13,469,358.52
  6. Step 6: Final answer
    x = 10,154,512.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.