Home / 16,740,561.60-25,117,840.80-5,384,491.20

Finding the Fourth Proportional to 16,740,561.60, 25,117,840.80 and 5,384,491.20

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Solution

The fourth proportional to 16,740,561.60, 25,117,840.80 and 5,384,491.20 is: 8,078,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740,561.60 : 25,117,840.80 = 5,384,491.20 : x
  2. Step 2: Convert to fraction form
    16,740,561.60/25,117,840.80 = 5,384,491.20/x
  3. Step 3: Cross multiply
    16,740,561.60x = 25,117,840.80 × 5,384,491.20
  4. Step 4: Simplify right side
    16,740,561.60x = 135,246,792,750,600.97
  5. Step 5: Solve for x
    x = 135,246,792,750,600.97/16,740,561.60
  6. Step 6: Final answer
    x = 8,078,987.79

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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.