Home / 20,894,069.52-28,833,815.91-11,726,712.27

Finding the Fourth Proportional to 20,894,069.52, 28,833,815.91 and 11,726,712.27

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Solution

The fourth proportional to 20,894,069.52, 28,833,815.91 and 11,726,712.27 is: 16,182,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,069.52 : 28,833,815.91 = 11,726,712.27 : x
  2. Step 2: Convert to fraction form
    20,894,069.52/28,833,815.91 = 11,726,712.27/x
  3. Step 3: Cross multiply
    20,894,069.52x = 28,833,815.91 × 11,726,712.27
  4. Step 4: Simplify right side
    20,894,069.52x = 338,125,862,822,718.19
  5. Step 5: Solve for x
    x = 338,125,862,822,718.19/20,894,069.52
  6. Step 6: Final answer
    x = 16,182,862.92

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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.