Home / 28,396,810.80-42,595,216.20-9,229,505.40

Finding the Fourth Proportional to 28,396,810.80, 42,595,216.20 and 9,229,505.40

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Solution

The fourth proportional to 28,396,810.80, 42,595,216.20 and 9,229,505.40 is: 13,844,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396,810.80 : 42,595,216.20 = 9,229,505.40 : x
  2. Step 2: Convert to fraction form
    28,396,810.80/42,595,216.20 = 9,229,505.40/x
  3. Step 3: Cross multiply
    28,396,810.80x = 42,595,216.20 × 9,229,505.40
  4. Step 4: Simplify right side
    28,396,810.80x = 393,132,777,932,067.50
  5. Step 5: Solve for x
    x = 393,132,777,932,067.50/28,396,810.80
  6. Step 6: Final answer
    x = 13,844,258.10

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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.