Home / 8,971,434.40-12,380,147.04-5,103,591.52

Finding the Fourth Proportional to 8,971,434.40, 12,380,147.04 and 5,103,591.52

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Solution

The fourth proportional to 8,971,434.40, 12,380,147.04 and 5,103,591.52 is: 7,042,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,434.40 : 12,380,147.04 = 5,103,591.52 : x
  2. Step 2: Convert to fraction form
    8,971,434.40/12,380,147.04 = 5,103,591.52/x
  3. Step 3: Cross multiply
    8,971,434.40x = 12,380,147.04 × 5,103,591.52
  4. Step 4: Simplify right side
    8,971,434.40x = 63,183,213,449,697.09
  5. Step 5: Solve for x
    x = 63,183,213,449,697.09/8,971,434.40
  6. Step 6: Final answer
    x = 7,042,710.30

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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.