Home / 12,002,761.74-18,004,143.53-2,904,860.88

Finding the Fourth Proportional to 12,002,761.74, 18,004,143.53 and 2,904,860.88

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Solution

The fourth proportional to 12,002,761.74, 18,004,143.53 and 2,904,860.88 is: 4,357,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002,761.74 : 18,004,143.53 = 2,904,860.88 : x
  2. Step 2: Convert to fraction form
    12,002,761.74/18,004,143.53 = 2,904,860.88/x
  3. Step 3: Cross multiply
    12,002,761.74x = 18,004,143.53 × 2,904,860.88
  4. Step 4: Simplify right side
    12,002,761.74x = 52,299,532,209,124.41
  5. Step 5: Solve for x
    x = 52,299,532,209,124.41/12,002,761.74
  6. Step 6: Final answer
    x = 4,357,291.54

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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.