Home / 12,146,550.62-16,762,243.28-6,639,949.49

Finding the Fourth Proportional to 12,146,550.62, 16,762,243.28 and 6,639,949.49

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Solution

The fourth proportional to 12,146,550.62, 16,762,243.28 and 6,639,949.49 is: 9,163,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,550.62 : 16,762,243.28 = 6,639,949.49 : x
  2. Step 2: Convert to fraction form
    12,146,550.62/16,762,243.28 = 6,639,949.49/x
  3. Step 3: Cross multiply
    12,146,550.62x = 16,762,243.28 × 6,639,949.49
  4. Step 4: Simplify right side
    12,146,550.62x = 111,300,448,601,280.97
  5. Step 5: Solve for x
    x = 111,300,448,601,280.97/12,146,550.62
  6. Step 6: Final answer
    x = 9,163,132.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.