Home / 16,686,518.80-25,029,778.20-15,517,348.60

Finding the Fourth Proportional to 16,686,518.80, 25,029,778.20 and 15,517,348.60

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Solution

The fourth proportional to 16,686,518.80, 25,029,778.20 and 15,517,348.60 is: 23,276,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686,518.80 : 25,029,778.20 = 15,517,348.60 : x
  2. Step 2: Convert to fraction form
    16,686,518.80/25,029,778.20 = 15,517,348.60/x
  3. Step 3: Cross multiply
    16,686,518.80x = 25,029,778.20 × 15,517,348.60
  4. Step 4: Simplify right side
    16,686,518.80x = 388,395,793,710,080.50
  5. Step 5: Solve for x
    x = 388,395,793,710,080.50/16,686,518.80
  6. Step 6: Final answer
    x = 23,276,022.90

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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.