Home / 8,101,657.80-11,181,345.30-4,664,043.72

Finding the Fourth Proportional to 8,101,657.80, 11,181,345.30 and 4,664,043.72

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Solution

The fourth proportional to 8,101,657.80, 11,181,345.30 and 4,664,043.72 is: 6,436,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,657.80 : 11,181,345.30 = 4,664,043.72 : x
  2. Step 2: Convert to fraction form
    8,101,657.80/11,181,345.30 = 4,664,043.72/x
  3. Step 3: Cross multiply
    8,101,657.80x = 11,181,345.30 × 4,664,043.72
  4. Step 4: Simplify right side
    8,101,657.80x = 52,150,283,327,616.52
  5. Step 5: Solve for x
    x = 52,150,283,327,616.52/8,101,657.80
  6. Step 6: Final answer
    x = 6,436,989.15

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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.