Home / 13,485,489.24-18,594,073.62-10,899,172.20

Finding the Fourth Proportional to 13,485,489.24, 18,594,073.62 and 10,899,172.20

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Solution

The fourth proportional to 13,485,489.24, 18,594,073.62 and 10,899,172.20 is: 15,028,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,489.24 : 18,594,073.62 = 10,899,172.20 : x
  2. Step 2: Convert to fraction form
    13,485,489.24/18,594,073.62 = 10,899,172.20/x
  3. Step 3: Cross multiply
    13,485,489.24x = 18,594,073.62 × 10,899,172.20
  4. Step 4: Simplify right side
    13,485,489.24x = 202,660,010,283,857.38
  5. Step 5: Solve for x
    x = 202,660,010,283,857.38/13,485,489.24
  6. Step 6: Final answer
    x = 15,028,005.78

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1.5x scale

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.