Home / 17,498,979.20-26,298,235.20-15,309,257.60

Finding the Fourth Proportional to 17,498,979.20, 26,298,235.20 and 15,309,257.60

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Solution

The fourth proportional to 17,498,979.20, 26,298,235.20 and 15,309,257.60 is: 23,007,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,498,979.20 : 26,298,235.20 = 15,309,257.60 : x
  2. Step 2: Convert to fraction form
    17,498,979.20/26,298,235.20 = 15,309,257.60/x
  3. Step 3: Cross multiply
    17,498,979.20x = 26,298,235.20 × 15,309,257.60
  4. Step 4: Simplify right side
    17,498,979.20x = 402,606,457,102,187.50
  5. Step 5: Solve for x
    x = 402,606,457,102,187.50/17,498,979.20
  6. Step 6: Final answer
    x = 23,007,425.32

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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.