Home / 20,727,862.15-28,604,289.94-11,435,823.83

Finding the Fourth Proportional to 20,727,862.15, 28,604,289.94 and 11,435,823.83

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Solution

The fourth proportional to 20,727,862.15, 28,604,289.94 and 11,435,823.83 is: 15,781,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,862.15 : 28,604,289.94 = 11,435,823.83 : x
  2. Step 2: Convert to fraction form
    20,727,862.15/28,604,289.94 = 11,435,823.83/x
  3. Step 3: Cross multiply
    20,727,862.15x = 28,604,289.94 × 11,435,823.83
  4. Step 4: Simplify right side
    20,727,862.15x = 327,113,620,536,081.31
  5. Step 5: Solve for x
    x = 327,113,620,536,081.31/20,727,862.15
  6. Step 6: Final answer
    x = 15,781,348.71

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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.