Home / 18,455,508.42-25,469,330.09-10,615,008.12

Finding the Fourth Proportional to 18,455,508.42, 25,469,330.09 and 10,615,008.12

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Solution

The fourth proportional to 18,455,508.42, 25,469,330.09 and 10,615,008.12 is: 14,649,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,508.42 : 25,469,330.09 = 10,615,008.12 : x
  2. Step 2: Convert to fraction form
    18,455,508.42/25,469,330.09 = 10,615,008.12/x
  3. Step 3: Cross multiply
    18,455,508.42x = 25,469,330.09 × 10,615,008.12
  4. Step 4: Simplify right side
    18,455,508.42x = 270,357,145,663,235.28
  5. Step 5: Solve for x
    x = 270,357,145,663,235.28/18,455,508.42
  6. Step 6: Final answer
    x = 14,649,130.20

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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.