Home / 8,278,962.60-12,417,465.88-2,214,164.36

Finding the Fourth Proportional to 8,278,962.60, 12,417,465.88 and 2,214,164.36

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Solution

The fourth proportional to 8,278,962.60, 12,417,465.88 and 2,214,164.36 is: 3,320,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,962.60 : 12,417,465.88 = 2,214,164.36 : x
  2. Step 2: Convert to fraction form
    8,278,962.60/12,417,465.88 = 2,214,164.36/x
  3. Step 3: Cross multiply
    8,278,962.60x = 12,417,465.88 × 2,214,164.36
  4. Step 4: Simplify right side
    8,278,962.60x = 27,494,310,371,954.79
  5. Step 5: Solve for x
    x = 27,494,310,371,954.79/8,278,962.60
  6. Step 6: Final answer
    x = 3,320,984.97

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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.