Home / 18,664,648.60-27,996,972.90-15,476,002.60

Finding the Fourth Proportional to 18,664,648.60, 27,996,972.90 and 15,476,002.60

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Solution

The fourth proportional to 18,664,648.60, 27,996,972.90 and 15,476,002.60 is: 23,214,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,648.60 : 27,996,972.90 = 15,476,002.60 : x
  2. Step 2: Convert to fraction form
    18,664,648.60/27,996,972.90 = 15,476,002.60/x
  3. Step 3: Cross multiply
    18,664,648.60x = 27,996,972.90 × 15,476,002.60
  4. Step 4: Simplify right side
    18,664,648.60x = 433,281,225,392,529.50
  5. Step 5: Solve for x
    x = 433,281,225,392,529.50/18,664,648.60
  6. Step 6: Final answer
    x = 23,214,003.90

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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.