Home / 21,923,129.84-30,253,983.91-12,134,253.92

Finding the Fourth Proportional to 21,923,129.84, 30,253,983.91 and 12,134,253.92

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Solution

The fourth proportional to 21,923,129.84, 30,253,983.91 and 12,134,253.92 is: 16,745,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,129.84 : 30,253,983.91 = 12,134,253.92 : x
  2. Step 2: Convert to fraction form
    21,923,129.84/30,253,983.91 = 12,134,253.92/x
  3. Step 3: Cross multiply
    21,923,129.84x = 30,253,983.91 × 12,134,253.92
  4. Step 4: Simplify right side
    21,923,129.84x = 367,109,522,673,928.81
  5. Step 5: Solve for x
    x = 367,109,522,673,928.81/21,923,129.84
  6. Step 6: Final answer
    x = 16,745,306.23

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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.