Home / 12,400,754.20-18,604,688.82-5,208,589.24

Finding the Fourth Proportional to 12,400,754.20, 18,604,688.82 and 5,208,589.24

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Solution

The fourth proportional to 12,400,754.20, 18,604,688.82 and 5,208,589.24 is: 7,814,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,754.20 : 18,604,688.82 = 5,208,589.24 : x
  2. Step 2: Convert to fraction form
    12,400,754.20/18,604,688.82 = 5,208,589.24/x
  3. Step 3: Cross multiply
    12,400,754.20x = 18,604,688.82 × 5,208,589.24
  4. Step 4: Simplify right side
    12,400,754.20x = 96,904,182,001,400.30
  5. Step 5: Solve for x
    x = 96,904,182,001,400.30/12,400,754.20
  6. Step 6: Final answer
    x = 7,814,378.10

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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.