Home / 22,221,758.40-30,667,217.28-12,431,618.56

Finding the Fourth Proportional to 22,221,758.40, 30,667,217.28 and 12,431,618.56

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Solution

The fourth proportional to 22,221,758.40, 30,667,217.28 and 12,431,618.56 is: 17,156,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,758.40 : 30,667,217.28 = 12,431,618.56 : x
  2. Step 2: Convert to fraction form
    22,221,758.40/30,667,217.28 = 12,431,618.56/x
  3. Step 3: Cross multiply
    22,221,758.40x = 30,667,217.28 × 12,431,618.56
  4. Step 4: Simplify right side
    22,221,758.40x = 381,243,147,521,600.75
  5. Step 5: Solve for x
    x = 381,243,147,521,600.75/22,221,758.40
  6. Step 6: Final answer
    x = 17,156,299.72

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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.