Home / 25,468,811.70-38,203,217.55-8,431,206.90

Finding the Fourth Proportional to 25,468,811.70, 38,203,217.55 and 8,431,206.90

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Solution

The fourth proportional to 25,468,811.70, 38,203,217.55 and 8,431,206.90 is: 12,646,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468,811.70 : 38,203,217.55 = 8,431,206.90 : x
  2. Step 2: Convert to fraction form
    25,468,811.70/38,203,217.55 = 8,431,206.90/x
  3. Step 3: Cross multiply
    25,468,811.70x = 38,203,217.55 × 8,431,206.90
  4. Step 4: Simplify right side
    25,468,811.70x = 322,099,231,409,761.06
  5. Step 5: Solve for x
    x = 322,099,231,409,761.06/25,468,811.70
  6. Step 6: Final answer
    x = 12,646,810.35

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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.