Home / 12,379,435.42-18,525,710.13-9,944,605.75

Finding the Fourth Proportional to 12,379,435.42, 18,525,710.13 and 9,944,605.75

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Solution

The fourth proportional to 12,379,435.42, 18,525,710.13 and 9,944,605.75 is: 14,882,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,435.42 : 18,525,710.13 = 9,944,605.75 : x
  2. Step 2: Convert to fraction form
    12,379,435.42/18,525,710.13 = 9,944,605.75/x
  3. Step 3: Cross multiply
    12,379,435.42x = 18,525,710.13 × 9,944,605.75
  4. Step 4: Simplify right side
    12,379,435.42x = 184,230,883,481,631.25
  5. Step 5: Solve for x
    x = 184,230,883,481,631.25/12,379,435.42
  6. Step 6: Final answer
    x = 14,882,010.14

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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.