Home / 8,252,657.10-12,379,532.40-2,187,304.20

Finding the Fourth Proportional to 8,252,657.10, 12,379,532.40 and 2,187,304.20

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Solution

The fourth proportional to 8,252,657.10, 12,379,532.40 and 2,187,304.20 is: 3,281,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,657.10 : 12,379,532.40 = 2,187,304.20 : x
  2. Step 2: Convert to fraction form
    8,252,657.10/12,379,532.40 = 2,187,304.20/x
  3. Step 3: Cross multiply
    8,252,657.10x = 12,379,532.40 × 2,187,304.20
  4. Step 4: Simplify right side
    8,252,657.10x = 27,077,803,212,556.08
  5. Step 5: Solve for x
    x = 27,077,803,212,556.08/8,252,657.10
  6. Step 6: Final answer
    x = 3,281,101.21

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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.