Home / 10,358,956.20-15,538,434.30-10,159,890.60

Finding the Fourth Proportional to 10,358,956.20, 15,538,434.30 and 10,159,890.60

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Solution

The fourth proportional to 10,358,956.20, 15,538,434.30 and 10,159,890.60 is: 15,239,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,956.20 : 15,538,434.30 = 10,159,890.60 : x
  2. Step 2: Convert to fraction form
    10,358,956.20/15,538,434.30 = 10,159,890.60/x
  3. Step 3: Cross multiply
    10,358,956.20x = 15,538,434.30 × 10,159,890.60
  4. Step 4: Simplify right side
    10,358,956.20x = 157,868,792,583,287.59
  5. Step 5: Solve for x
    x = 157,868,792,583,287.59/10,358,956.20
  6. Step 6: Final answer
    x = 15,239,835.90

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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.