Home / 21,673,201.32-29,913,362.92-12,857,545.82

Finding the Fourth Proportional to 21,673,201.32, 29,913,362.92 and 12,857,545.82

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Solution

The fourth proportional to 21,673,201.32, 29,913,362.92 and 12,857,545.82 is: 17,745,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673,201.32 : 29,913,362.92 = 12,857,545.82 : x
  2. Step 2: Convert to fraction form
    21,673,201.32/29,913,362.92 = 12,857,545.82/x
  3. Step 3: Cross multiply
    21,673,201.32x = 29,913,362.92 × 12,857,545.82
  4. Step 4: Simplify right side
    21,673,201.32x = 384,612,434,416,828.56
  5. Step 5: Solve for x
    x = 384,612,434,416,828.56/21,673,201.32
  6. Step 6: Final answer
    x = 17,745,990.95

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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.