Home / 18,124,260.66-27,187,287.12-5,172,320.34

Finding the Fourth Proportional to 18,124,260.66, 27,187,287.12 and 5,172,320.34

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Solution

The fourth proportional to 18,124,260.66, 27,187,287.12 and 5,172,320.34 is: 7,758,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,260.66 : 27,187,287.12 = 5,172,320.34 : x
  2. Step 2: Convert to fraction form
    18,124,260.66/27,187,287.12 = 5,172,320.34/x
  3. Step 3: Cross multiply
    18,124,260.66x = 27,187,287.12 × 5,172,320.34
  4. Step 4: Simplify right side
    18,124,260.66x = 140,621,358,160,196.02
  5. Step 5: Solve for x
    x = 140,621,358,160,196.02/18,124,260.66
  6. Step 6: Final answer
    x = 7,758,736.25

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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.