Home / 12,379,435.92-18,525,710.88-9,944,606.25

Finding the Fourth Proportional to 12,379,435.92, 18,525,710.88 and 9,944,606.25

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Solution

The fourth proportional to 12,379,435.92, 18,525,710.88 and 9,944,606.25 is: 14,882,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,435.92 : 18,525,710.88 = 9,944,606.25 : x
  2. Step 2: Convert to fraction form
    12,379,435.92/18,525,710.88 = 9,944,606.25/x
  3. Step 3: Cross multiply
    12,379,435.92x = 18,525,710.88 × 9,944,606.25
  4. Step 4: Simplify right side
    12,379,435.92x = 184,230,900,202,941
  5. Step 5: Solve for x
    x = 184,230,900,202,941/12,379,435.92
  6. Step 6: Final answer
    x = 14,882,010.89

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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.