Home / 12,297,983.76-16,969,928.76-7,140,337.92

Finding the Fourth Proportional to 12,297,983.76, 16,969,928.76 and 7,140,337.92

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Solution

The fourth proportional to 12,297,983.76, 16,969,928.76 and 7,140,337.92 is: 9,852,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,983.76 : 16,969,928.76 = 7,140,337.92 : x
  2. Step 2: Convert to fraction form
    12,297,983.76/16,969,928.76 = 7,140,337.92/x
  3. Step 3: Cross multiply
    12,297,983.76x = 16,969,928.76 × 7,140,337.92
  4. Step 4: Simplify right side
    12,297,983.76x = 121,171,025,824,726.59
  5. Step 5: Solve for x
    x = 121,171,025,824,726.59/12,297,983.76
  6. Step 6: Final answer
    x = 9,852,918.02

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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.