Home / 13,610,921.76-20,415,854.40-3,375,807.12

Finding the Fourth Proportional to 13,610,921.76, 20,415,854.40 and 3,375,807.12

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Solution

The fourth proportional to 13,610,921.76, 20,415,854.40 and 3,375,807.12 is: 5,063,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,921.76 : 20,415,854.40 = 3,375,807.12 : x
  2. Step 2: Convert to fraction form
    13,610,921.76/20,415,854.40 = 3,375,807.12/x
  3. Step 3: Cross multiply
    13,610,921.76x = 20,415,854.40 × 3,375,807.12
  4. Step 4: Simplify right side
    13,610,921.76x = 68,919,986,644,403.33
  5. Step 5: Solve for x
    x = 68,919,986,644,403.33/13,610,921.76
  6. Step 6: Final answer
    x = 5,063,579.66

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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.