Home / 10,366,234.80-15,542,353.80-5,509,345.20

Finding the Fourth Proportional to 10,366,234.80, 15,542,353.80 and 5,509,345.20

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Solution

The fourth proportional to 10,366,234.80, 15,542,353.80 and 5,509,345.20 is: 8,260,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,234.80 : 15,542,353.80 = 5,509,345.20 : x
  2. Step 2: Convert to fraction form
    10,366,234.80/15,542,353.80 = 5,509,345.20/x
  3. Step 3: Cross multiply
    10,366,234.80x = 15,542,353.80 × 5,509,345.20
  4. Step 4: Simplify right side
    10,366,234.80x = 85,628,192,304,731.77
  5. Step 5: Solve for x
    x = 85,628,192,304,731.77/10,366,234.80
  6. Step 6: Final answer
    x = 8,260,298.36

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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.