Home / 12,632,624.80-18,913,507.80-12,278,330.80

Finding the Fourth Proportional to 12,632,624.80, 18,913,507.80 and 12,278,330.80

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Solution

The fourth proportional to 12,632,624.80, 18,913,507.80 and 12,278,330.80 is: 18,383,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,624.80 : 18,913,507.80 = 12,278,330.80 : x
  2. Step 2: Convert to fraction form
    12,632,624.80/18,913,507.80 = 12,278,330.80/x
  3. Step 3: Cross multiply
    12,632,624.80x = 18,913,507.80 × 12,278,330.80
  4. Step 4: Simplify right side
    12,632,624.80x = 232,226,305,356,780.25
  5. Step 5: Solve for x
    x = 232,226,305,356,780.25/12,632,624.80
  6. Step 6: Final answer
    x = 18,383,060.45

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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.