Home / 18,343,778.60-25,314,981.08-10,084,471.98

Finding the Fourth Proportional to 18,343,778.60, 25,314,981.08 and 10,084,471.98

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Solution

The fourth proportional to 18,343,778.60, 25,314,981.08 and 10,084,471.98 is: 13,916,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343,778.60 : 25,314,981.08 = 10,084,471.98 : x
  2. Step 2: Convert to fraction form
    18,343,778.60/25,314,981.08 = 10,084,471.98/x
  3. Step 3: Cross multiply
    18,343,778.60x = 25,314,981.08 × 10,084,471.98
  4. Step 4: Simplify right side
    18,343,778.60x = 255,288,217,325,067.78
  5. Step 5: Solve for x
    x = 255,288,217,325,067.78/18,343,778.60
  6. Step 6: Final answer
    x = 13,916,882.83

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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.