Home / 21,849,995.92-30,156,030.12-12,192,826

Finding the Fourth Proportional to 21,849,995.92, 30,156,030.12 and 12,192,826

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Solution

The fourth proportional to 21,849,995.92, 30,156,030.12 and 12,192,826 is: 16,827,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,995.92 : 30,156,030.12 = 12,192,826 : x
  2. Step 2: Convert to fraction form
    21,849,995.92/30,156,030.12 = 12,192,826/x
  3. Step 3: Cross multiply
    21,849,995.92x = 30,156,030.12 × 12,192,826
  4. Step 4: Simplify right side
    21,849,995.92x = 367,687,228,103,919.12
  5. Step 5: Solve for x
    x = 367,687,228,103,919.12/21,849,995.92
  6. Step 6: Final answer
    x = 16,827,793.90

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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.