Home / 12,474,869.32-17,232,169.44-9,400,630.78

Finding the Fourth Proportional to 12,474,869.32, 17,232,169.44 and 9,400,630.78

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Solution

The fourth proportional to 12,474,869.32, 17,232,169.44 and 9,400,630.78 is: 12,985,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,869.32 : 17,232,169.44 = 9,400,630.78 : x
  2. Step 2: Convert to fraction form
    12,474,869.32/17,232,169.44 = 9,400,630.78/x
  3. Step 3: Cross multiply
    12,474,869.32x = 17,232,169.44 × 9,400,630.78
  4. Step 4: Simplify right side
    12,474,869.32x = 161,993,262,443,839.38
  5. Step 5: Solve for x
    x = 161,993,262,443,839.38/12,474,869.32
  6. Step 6: Final answer
    x = 12,985,567.89

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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.