Home / 12,155,199.26-18,226,067.24-4,971,777.98

Finding the Fourth Proportional to 12,155,199.26, 18,226,067.24 and 4,971,777.98

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Solution

The fourth proportional to 12,155,199.26, 18,226,067.24 and 4,971,777.98 is: 7,454,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,199.26 : 18,226,067.24 = 4,971,777.98 : x
  2. Step 2: Convert to fraction form
    12,155,199.26/18,226,067.24 = 4,971,777.98/x
  3. Step 3: Cross multiply
    12,155,199.26x = 18,226,067.24 × 4,971,777.98
  4. Step 4: Simplify right side
    12,155,199.26x = 90,615,959,765,831.38
  5. Step 5: Solve for x
    x = 90,615,959,765,831.38/12,155,199.26
  6. Step 6: Final answer
    x = 7,454,913.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.