Home / 18,155,443.30-27,201,672.15-11,762,404.90

Finding the Fourth Proportional to 18,155,443.30, 27,201,672.15 and 11,762,404.90

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Solution

The fourth proportional to 18,155,443.30, 27,201,672.15 and 11,762,404.90 is: 17,623,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,443.30 : 27,201,672.15 = 11,762,404.90 : x
  2. Step 2: Convert to fraction form
    18,155,443.30/27,201,672.15 = 11,762,404.90/x
  3. Step 3: Cross multiply
    18,155,443.30x = 27,201,672.15 × 11,762,404.90
  4. Step 4: Simplify right side
    18,155,443.30x = 319,957,081,785,353.50
  5. Step 5: Solve for x
    x = 319,957,081,785,353.50/18,155,443.30
  6. Step 6: Final answer
    x = 17,623,204.04

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1.5x scale

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.