Home / 11,969,029.20-17,980,116.66-7,423,437.72

Finding the Fourth Proportional to 11,969,029.20, 17,980,116.66 and 7,423,437.72

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Solution

The fourth proportional to 11,969,029.20, 17,980,116.66 and 7,423,437.72 is: 11,151,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,029.20 : 17,980,116.66 = 7,423,437.72 : x
  2. Step 2: Convert to fraction form
    11,969,029.20/17,980,116.66 = 7,423,437.72/x
  3. Step 3: Cross multiply
    11,969,029.20x = 17,980,116.66 × 7,423,437.72
  4. Step 4: Simplify right side
    11,969,029.20x = 133,474,276,223,844.41
  5. Step 5: Solve for x
    x = 133,474,276,223,844.41/11,969,029.20
  6. Step 6: Final answer
    x = 11,151,637.61

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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.