Home / 8,278,963.10-12,417,466.63-2,214,164.86

Finding the Fourth Proportional to 8,278,963.10, 12,417,466.63 and 2,214,164.86

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Solution

The fourth proportional to 8,278,963.10, 12,417,466.63 and 2,214,164.86 is: 3,320,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,963.10 : 12,417,466.63 = 2,214,164.86 : x
  2. Step 2: Convert to fraction form
    8,278,963.10/12,417,466.63 = 2,214,164.86/x
  3. Step 3: Cross multiply
    8,278,963.10x = 12,417,466.63 × 2,214,164.86
  4. Step 4: Simplify right side
    8,278,963.10x = 27,494,318,251,297.80
  5. Step 5: Solve for x
    x = 27,494,318,251,297.80/8,278,963.10
  6. Step 6: Final answer
    x = 3,320,985.72

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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.