Home / 22,278,047.40-33,372,834.30-12,162,565.80

Finding the Fourth Proportional to 22,278,047.40, 33,372,834.30 and 12,162,565.80

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Solution

The fourth proportional to 22,278,047.40, 33,372,834.30 and 12,162,565.80 is: 18,219,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278,047.40 : 33,372,834.30 = 12,162,565.80 : x
  2. Step 2: Convert to fraction form
    22,278,047.40/33,372,834.30 = 12,162,565.80/x
  3. Step 3: Cross multiply
    22,278,047.40x = 33,372,834.30 × 12,162,565.80
  4. Step 4: Simplify right side
    22,278,047.40x = 405,899,293,106,247
  5. Step 5: Solve for x
    x = 405,899,293,106,247/22,278,047.40
  6. Step 6: Final answer
    x = 18,219,697.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.