Home / 8,640,267.20-12,960,400.80-2,655,857.60

Finding the Fourth Proportional to 8,640,267.20, 12,960,400.80 and 2,655,857.60

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Solution

The fourth proportional to 8,640,267.20, 12,960,400.80 and 2,655,857.60 is: 3,983,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,267.20 : 12,960,400.80 = 2,655,857.60 : x
  2. Step 2: Convert to fraction form
    8,640,267.20/12,960,400.80 = 2,655,857.60/x
  3. Step 3: Cross multiply
    8,640,267.20x = 12,960,400.80 × 2,655,857.60
  4. Step 4: Simplify right side
    8,640,267.20x = 34,420,978,963,726.08
  5. Step 5: Solve for x
    x = 34,420,978,963,726.08/8,640,267.20
  6. Step 6: Final answer
    x = 3,983,786.40

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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.