Home / 20,810,691.60-31,202,040.60-11,096,912.40

Finding the Fourth Proportional to 20,810,691.60, 31,202,040.60 and 11,096,912.40

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Solution

The fourth proportional to 20,810,691.60, 31,202,040.60 and 11,096,912.40 is: 16,637,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,691.60 : 31,202,040.60 = 11,096,912.40 : x
  2. Step 2: Convert to fraction form
    20,810,691.60/31,202,040.60 = 11,096,912.40/x
  3. Step 3: Cross multiply
    20,810,691.60x = 31,202,040.60 × 11,096,912.40
  4. Step 4: Simplify right side
    20,810,691.60x = 346,246,311,239,443.44
  5. Step 5: Solve for x
    x = 346,246,311,239,443.44/20,810,691.60
  6. Step 6: Final answer
    x = 16,637,905.07

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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.