Home / 20,587,454.68-30,882,620.58-8,457,529.72

Finding the Fourth Proportional to 20,587,454.68, 30,882,620.58 and 8,457,529.72

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Solution

The fourth proportional to 20,587,454.68, 30,882,620.58 and 8,457,529.72 is: 12,686,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587,454.68 : 30,882,620.58 = 8,457,529.72 : x
  2. Step 2: Convert to fraction form
    20,587,454.68/30,882,620.58 = 8,457,529.72/x
  3. Step 3: Cross multiply
    20,587,454.68x = 30,882,620.58 × 8,457,529.72
  4. Step 4: Simplify right side
    20,587,454.68x = 261,190,681,386,833.66
  5. Step 5: Solve for x
    x = 261,190,681,386,833.66/20,587,454.68
  6. Step 6: Final answer
    x = 12,686,885.55

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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.