Home / 20,065,115.34-27,690,000.87-10,897,758.09

Finding the Fourth Proportional to 20,065,115.34, 27,690,000.87 and 10,897,758.09

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Solution

The fourth proportional to 20,065,115.34, 27,690,000.87 and 10,897,758.09 is: 15,038,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,115.34 : 27,690,000.87 = 10,897,758.09 : x
  2. Step 2: Convert to fraction form
    20,065,115.34/27,690,000.87 = 10,897,758.09/x
  3. Step 3: Cross multiply
    20,065,115.34x = 27,690,000.87 × 10,897,758.09
  4. Step 4: Simplify right side
    20,065,115.34x = 301,758,930,993,149.56
  5. Step 5: Solve for x
    x = 301,758,930,993,149.56/20,065,115.34
  6. Step 6: Final answer
    x = 15,038,983.12

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1.5x scale

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.