Home / 28,960,855.20-43,457,029.20-11,923,250.40

Finding the Fourth Proportional to 28,960,855.20, 43,457,029.20 and 11,923,250.40

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Solution

The fourth proportional to 28,960,855.20, 43,457,029.20 and 11,923,250.40 is: 17,891,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960,855.20 : 43,457,029.20 = 11,923,250.40 : x
  2. Step 2: Convert to fraction form
    28,960,855.20/43,457,029.20 = 11,923,250.40/x
  3. Step 3: Cross multiply
    28,960,855.20x = 43,457,029.20 × 11,923,250.40
  4. Step 4: Simplify right side
    28,960,855.20x = 518,149,040,791,711.75
  5. Step 5: Solve for x
    x = 518,149,040,791,711.75/28,960,855.20
  6. Step 6: Final answer
    x = 17,891,358.43

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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.