Home / 29,126,307.60-43,654,469.40-12,078,205.20

Finding the Fourth Proportional to 29,126,307.60, 43,654,469.40 and 12,078,205.20

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Solution

The fourth proportional to 29,126,307.60, 43,654,469.40 and 12,078,205.20 is: 18,102,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,126,307.60 : 43,654,469.40 = 12,078,205.20 : x
  2. Step 2: Convert to fraction form
    29,126,307.60/43,654,469.40 = 12,078,205.20/x
  3. Step 3: Cross multiply
    29,126,307.60x = 43,654,469.40 × 12,078,205.20
  4. Step 4: Simplify right side
    29,126,307.60x = 527,267,639,310,320.81
  5. Step 5: Solve for x
    x = 527,267,639,310,320.81/29,126,307.60
  6. Step 6: Final answer
    x = 18,102,797.19

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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.