Home / 12,313,070.80-18,469,606.20-6,644,366.80

Finding the Fourth Proportional to 12,313,070.80, 18,469,606.20 and 6,644,366.80

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Solution

The fourth proportional to 12,313,070.80, 18,469,606.20 and 6,644,366.80 is: 9,966,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,070.80 : 18,469,606.20 = 6,644,366.80 : x
  2. Step 2: Convert to fraction form
    12,313,070.80/18,469,606.20 = 6,644,366.80/x
  3. Step 3: Cross multiply
    12,313,070.80x = 18,469,606.20 × 6,644,366.80
  4. Step 4: Simplify right side
    12,313,070.80x = 122,718,838,244,354.16
  5. Step 5: Solve for x
    x = 122,718,838,244,354.16/12,313,070.80
  6. Step 6: Final answer
    x = 9,966,550.20

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1.5x scale

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.