Home / 12,123,210.54-16,729,899.57-6,616,540.62

Finding the Fourth Proportional to 12,123,210.54, 16,729,899.57 and 6,616,540.62

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Solution

The fourth proportional to 12,123,210.54, 16,729,899.57 and 6,616,540.62 is: 9,130,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,210.54 : 16,729,899.57 = 6,616,540.62 : x
  2. Step 2: Convert to fraction form
    12,123,210.54/16,729,899.57 = 6,616,540.62/x
  3. Step 3: Cross multiply
    12,123,210.54x = 16,729,899.57 × 6,616,540.62
  4. Step 4: Simplify right side
    12,123,210.54x = 110,694,060,073,425.53
  5. Step 5: Solve for x
    x = 110,694,060,073,425.53/12,123,210.54
  6. Step 6: Final answer
    x = 9,130,754.57

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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.