Home / 13,172,937.20-19,727,515.20-9,118,064.24

Finding the Fourth Proportional to 13,172,937.20, 19,727,515.20 and 9,118,064.24

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Solution

The fourth proportional to 13,172,937.20, 19,727,515.20 and 9,118,064.24 is: 13,655,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,937.20 : 19,727,515.20 = 9,118,064.24 : x
  2. Step 2: Convert to fraction form
    13,172,937.20/19,727,515.20 = 9,118,064.24/x
  3. Step 3: Cross multiply
    13,172,937.20x = 19,727,515.20 × 9,118,064.24
  4. Step 4: Simplify right side
    13,172,937.20x = 179,876,750,889,176.44
  5. Step 5: Solve for x
    x = 179,876,750,889,176.44/13,172,937.20
  6. Step 6: Final answer
    x = 13,655,022.27

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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.