Home / 28,653,260.80-42,979,891.20-17,174,135.20

Finding the Fourth Proportional to 28,653,260.80, 42,979,891.20 and 17,174,135.20

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Solution

The fourth proportional to 28,653,260.80, 42,979,891.20 and 17,174,135.20 is: 25,761,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,260.80 : 42,979,891.20 = 17,174,135.20 : x
  2. Step 2: Convert to fraction form
    28,653,260.80/42,979,891.20 = 17,174,135.20/x
  3. Step 3: Cross multiply
    28,653,260.80x = 42,979,891.20 × 17,174,135.20
  4. Step 4: Simplify right side
    28,653,260.80x = 738,142,462,350,090.25
  5. Step 5: Solve for x
    x = 738,142,462,350,090.25/28,653,260.80
  6. Step 6: Final answer
    x = 25,761,202.80

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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.