Home / 8,879,874.39-13,320,281.75-2,815,079.31

Finding the Fourth Proportional to 8,879,874.39, 13,320,281.75 and 2,815,079.31

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Solution

The fourth proportional to 8,879,874.39, 13,320,281.75 and 2,815,079.31 is: 4,222,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879,874.39 : 13,320,281.75 = 2,815,079.31 : x
  2. Step 2: Convert to fraction form
    8,879,874.39/13,320,281.75 = 2,815,079.31/x
  3. Step 3: Cross multiply
    8,879,874.39x = 13,320,281.75 × 2,815,079.31
  4. Step 4: Simplify right side
    8,879,874.39x = 37,497,649,543,720.20
  5. Step 5: Solve for x
    x = 37,497,649,543,720.20/8,879,874.39
  6. Step 6: Final answer
    x = 4,222,768.01

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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.