Home / 18,221,066.87-25,145,371.00-10,879,541.55

Finding the Fourth Proportional to 18,221,066.87, 25,145,371.00 and 10,879,541.55

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Solution

The fourth proportional to 18,221,066.87, 25,145,371.00 and 10,879,541.55 is: 15,013,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,066.87 : 25,145,371.00 = 10,879,541.55 : x
  2. Step 2: Convert to fraction form
    18,221,066.87/25,145,371.00 = 10,879,541.55/x
  3. Step 3: Cross multiply
    18,221,066.87x = 25,145,371.00 × 10,879,541.55
  4. Step 4: Simplify right side
    18,221,066.87x = 273,570,108,598,264.47
  5. Step 5: Solve for x
    x = 273,570,108,598,264.47/18,221,066.87
  6. Step 6: Final answer
    x = 15,013,945.70

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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.