Home / 21,887,248.11-30,204,522.72-11,964,145.83

Finding the Fourth Proportional to 21,887,248.11, 30,204,522.72 and 11,964,145.83

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Solution

The fourth proportional to 21,887,248.11, 30,204,522.72 and 11,964,145.83 is: 16,510,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887,248.11 : 30,204,522.72 = 11,964,145.83 : x
  2. Step 2: Convert to fraction form
    21,887,248.11/30,204,522.72 = 11,964,145.83/x
  3. Step 3: Cross multiply
    21,887,248.11x = 30,204,522.72 × 11,964,145.83
  4. Step 4: Simplify right side
    21,887,248.11x = 361,371,314,547,628.25
  5. Step 5: Solve for x
    x = 361,371,314,547,628.25/21,887,248.11
  6. Step 6: Final answer
    x = 16,510,587.02

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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.