Home / 18,522,078.30-27,783,117.45-17,482,815.90

Finding the Fourth Proportional to 18,522,078.30, 27,783,117.45 and 17,482,815.90

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Solution

The fourth proportional to 18,522,078.30, 27,783,117.45 and 17,482,815.90 is: 26,224,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,078.30 : 27,783,117.45 = 17,482,815.90 : x
  2. Step 2: Convert to fraction form
    18,522,078.30/27,783,117.45 = 17,482,815.90/x
  3. Step 3: Cross multiply
    18,522,078.30x = 27,783,117.45 × 17,482,815.90
  4. Step 4: Simplify right side
    18,522,078.30x = 485,727,127,506,427.38
  5. Step 5: Solve for x
    x = 485,727,127,506,427.38/18,522,078.30
  6. Step 6: Final answer
    x = 26,224,223.85

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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.