Home / 22,571,814.81-31,149,287.51-12,258,611.85

Finding the Fourth Proportional to 22,571,814.81, 31,149,287.51 and 12,258,611.85

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Solution

The fourth proportional to 22,571,814.81, 31,149,287.51 and 12,258,611.85 is: 16,916,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571,814.81 : 31,149,287.51 = 12,258,611.85 : x
  2. Step 2: Convert to fraction form
    22,571,814.81/31,149,287.51 = 12,258,611.85/x
  3. Step 3: Cross multiply
    22,571,814.81x = 31,149,287.51 × 12,258,611.85
  4. Step 4: Simplify right side
    22,571,814.81x = 381,847,024,927,849.94
  5. Step 5: Solve for x
    x = 381,847,024,927,849.94/22,571,814.81
  6. Step 6: Final answer
    x = 16,916,983.78

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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.