Home / 13,929,445.73-20,800,367.50-11,375,726.67

Finding the Fourth Proportional to 13,929,445.73, 20,800,367.50 and 11,375,726.67

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Solution

The fourth proportional to 13,929,445.73, 20,800,367.50 and 11,375,726.67 is: 16,986,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,445.73 : 20,800,367.50 = 11,375,726.67 : x
  2. Step 2: Convert to fraction form
    13,929,445.73/20,800,367.50 = 11,375,726.67/x
  3. Step 3: Cross multiply
    13,929,445.73x = 20,800,367.50 × 11,375,726.67
  4. Step 4: Simplify right side
    13,929,445.73x = 236,619,295,292,458.50
  5. Step 5: Solve for x
    x = 236,619,295,292,458.50/13,929,445.73
  6. Step 6: Final answer
    x = 16,986,985.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.