Home / 28,979,782.60-43,469,673.90-15,542,854.60

Finding the Fourth Proportional to 28,979,782.60, 43,469,673.90 and 15,542,854.60

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Solution

The fourth proportional to 28,979,782.60, 43,469,673.90 and 15,542,854.60 is: 23,314,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,782.60 : 43,469,673.90 = 15,542,854.60 : x
  2. Step 2: Convert to fraction form
    28,979,782.60/43,469,673.90 = 15,542,854.60/x
  3. Step 3: Cross multiply
    28,979,782.60x = 43,469,673.90 × 15,542,854.60
  4. Step 4: Simplify right side
    28,979,782.60x = 675,642,820,937,114.88
  5. Step 5: Solve for x
    x = 675,642,820,937,114.88/28,979,782.60
  6. Step 6: Final answer
    x = 23,314,281.90

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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.