Home / 18,144,474.30-27,216,711.45-18,018,503.10

Finding the Fourth Proportional to 18,144,474.30, 27,216,711.45 and 18,018,503.10

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Solution

The fourth proportional to 18,144,474.30, 27,216,711.45 and 18,018,503.10 is: 27,027,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,474.30 : 27,216,711.45 = 18,018,503.10 : x
  2. Step 2: Convert to fraction form
    18,144,474.30/27,216,711.45 = 18,018,503.10/x
  3. Step 3: Cross multiply
    18,144,474.30x = 27,216,711.45 × 18,018,503.10
  4. Step 4: Simplify right side
    18,144,474.30x = 490,404,399,633,630.50
  5. Step 5: Solve for x
    x = 490,404,399,633,630.50/18,144,474.30
  6. Step 6: Final answer
    x = 27,027,754.65

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Double scale
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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.