Home / 13,053,247.54-18,013,781.78-7,173,247.30

Finding the Fourth Proportional to 13,053,247.54, 18,013,781.78 and 7,173,247.30

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Solution

The fourth proportional to 13,053,247.54, 18,013,781.78 and 7,173,247.30 is: 9,899,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,247.54 : 18,013,781.78 = 7,173,247.30 : x
  2. Step 2: Convert to fraction form
    13,053,247.54/18,013,781.78 = 7,173,247.30/x
  3. Step 3: Cross multiply
    13,053,247.54x = 18,013,781.78 × 7,173,247.30
  4. Step 4: Simplify right side
    13,053,247.54x = 129,217,311,516,174.20
  5. Step 5: Solve for x
    x = 129,217,311,516,174.20/13,053,247.54
  6. Step 6: Final answer
    x = 9,899,246.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.