Home / 7,864,399.64-10,854,641.66-5,146,571

Finding the Fourth Proportional to 7,864,399.64, 10,854,641.66 and 5,146,571

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Solution

The fourth proportional to 7,864,399.64, 10,854,641.66 and 5,146,571 is: 7,103,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,399.64 : 10,854,641.66 = 5,146,571 : x
  2. Step 2: Convert to fraction form
    7,864,399.64/10,854,641.66 = 5,146,571/x
  3. Step 3: Cross multiply
    7,864,399.64x = 10,854,641.66 × 5,146,571
  4. Step 4: Simplify right side
    7,864,399.64x = 55,864,183,982,747.86
  5. Step 5: Solve for x
    x = 55,864,183,982,747.86/7,864,399.64
  6. Step 6: Final answer
    x = 7,103,426.39

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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.