Home / 10,040,403.60-13,855,864.32-5,456,725.20

Finding the Fourth Proportional to 10,040,403.60, 13,855,864.32 and 5,456,725.20

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Solution

The fourth proportional to 10,040,403.60, 13,855,864.32 and 5,456,725.20 is: 7,530,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,403.60 : 13,855,864.32 = 5,456,725.20 : x
  2. Step 2: Convert to fraction form
    10,040,403.60/13,855,864.32 = 5,456,725.20/x
  3. Step 3: Cross multiply
    10,040,403.60x = 13,855,864.32 × 5,456,725.20
  4. Step 4: Simplify right side
    10,040,403.60x = 75,607,644,002,724.88
  5. Step 5: Solve for x
    x = 75,607,644,002,724.88/10,040,403.60
  6. Step 6: Final answer
    x = 7,530,339.12

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1.5x scale

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.