Home / 13,610,029.60-20,415,044.40-8,791,631.20

Finding the Fourth Proportional to 13,610,029.60, 20,415,044.40 and 8,791,631.20

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Solution

The fourth proportional to 13,610,029.60, 20,415,044.40 and 8,791,631.20 is: 13,187,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,029.60 : 20,415,044.40 = 8,791,631.20 : x
  2. Step 2: Convert to fraction form
    13,610,029.60/20,415,044.40 = 8,791,631.20/x
  3. Step 3: Cross multiply
    13,610,029.60x = 20,415,044.40 × 8,791,631.20
  4. Step 4: Simplify right side
    13,610,029.60x = 179,481,541,296,425.25
  5. Step 5: Solve for x
    x = 179,481,541,296,425.25/13,610,029.60
  6. Step 6: Final answer
    x = 13,187,446.80

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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.