Home / 20,894,111.21-28,833,873.41-11,726,753.96

Finding the Fourth Proportional to 20,894,111.21, 28,833,873.41 and 11,726,753.96

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Solution

The fourth proportional to 20,894,111.21, 28,833,873.41 and 11,726,753.96 is: 16,182,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,111.21 : 28,833,873.41 = 11,726,753.96 : x
  2. Step 2: Convert to fraction form
    20,894,111.21/28,833,873.41 = 11,726,753.96/x
  3. Step 3: Cross multiply
    20,894,111.21x = 28,833,873.41 × 11,726,753.96
  4. Step 4: Simplify right side
    20,894,111.21x = 338,127,739,206,307.12
  5. Step 5: Solve for x
    x = 338,127,739,206,307.12/20,894,111.21
  6. Step 6: Final answer
    x = 16,182,920.43

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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.