Home / 8,791,896.20-13,191,780.90-3,997,117.40

Finding the Fourth Proportional to 8,791,896.20, 13,191,780.90 and 3,997,117.40

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Solution

The fourth proportional to 8,791,896.20, 13,191,780.90 and 3,997,117.40 is: 5,997,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,896.20 : 13,191,780.90 = 3,997,117.40 : x
  2. Step 2: Convert to fraction form
    8,791,896.20/13,191,780.90 = 3,997,117.40/x
  3. Step 3: Cross multiply
    8,791,896.20x = 13,191,780.90 × 3,997,117.40
  4. Step 4: Simplify right side
    8,791,896.20x = 52,729,096,972,377.66
  5. Step 5: Solve for x
    x = 52,729,096,972,377.66/8,791,896.20
  6. Step 6: Final answer
    x = 5,997,465.82

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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.