Home / 22,722,309.24-31,357,035.99-12,409,335.78

Finding the Fourth Proportional to 22,722,309.24, 31,357,035.99 and 12,409,335.78

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Solution

The fourth proportional to 22,722,309.24, 31,357,035.99 and 12,409,335.78 is: 17,125,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722,309.24 : 31,357,035.99 = 12,409,335.78 : x
  2. Step 2: Convert to fraction form
    22,722,309.24/31,357,035.99 = 12,409,335.78/x
  3. Step 3: Cross multiply
    22,722,309.24x = 31,357,035.99 × 12,409,335.78
  4. Step 4: Simplify right side
    22,722,309.24x = 389,119,988,665,454.69
  5. Step 5: Solve for x
    x = 389,119,988,665,454.69/22,722,309.24
  6. Step 6: Final answer
    x = 17,125,019.49

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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.