Home / 18,221,266.68-25,144,149.78-10,485,060.36

Finding the Fourth Proportional to 18,221,266.68, 25,144,149.78 and 10,485,060.36

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Solution

The fourth proportional to 18,221,266.68, 25,144,149.78 and 10,485,060.36 is: 14,468,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,266.68 : 25,144,149.78 = 10,485,060.36 : x
  2. Step 2: Convert to fraction form
    18,221,266.68/25,144,149.78 = 10,485,060.36/x
  3. Step 3: Cross multiply
    18,221,266.68x = 25,144,149.78 × 10,485,060.36
  4. Step 4: Simplify right side
    18,221,266.68x = 263,637,928,144,180.72
  5. Step 5: Solve for x
    x = 263,637,928,144,180.72/18,221,266.68
  6. Step 6: Final answer
    x = 14,468,693.79

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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.