Home / 12,141,063.78-16,754,712.46-6,634,439.28

Finding the Fourth Proportional to 12,141,063.78, 16,754,712.46 and 6,634,439.28

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Solution

The fourth proportional to 12,141,063.78, 16,754,712.46 and 6,634,439.28 is: 9,155,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,063.78 : 16,754,712.46 = 6,634,439.28 : x
  2. Step 2: Convert to fraction form
    12,141,063.78/16,754,712.46 = 6,634,439.28/x
  3. Step 3: Cross multiply
    12,141,063.78x = 16,754,712.46 × 6,634,439.28
  4. Step 4: Simplify right side
    12,141,063.78x = 111,158,122,469,729.44
  5. Step 5: Solve for x
    x = 111,158,122,469,729.44/12,141,063.78
  6. Step 6: Final answer
    x = 9,155,550.49

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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.