Home / 28,979,542.40-43,469,313.60-26,789,820.80

Finding the Fourth Proportional to 28,979,542.40, 43,469,313.60 and 26,789,820.80

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Solution

The fourth proportional to 28,979,542.40, 43,469,313.60 and 26,789,820.80 is: 40,184,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,542.40 : 43,469,313.60 = 26,789,820.80 : x
  2. Step 2: Convert to fraction form
    28,979,542.40/43,469,313.60 = 26,789,820.80/x
  3. Step 3: Cross multiply
    28,979,542.40x = 43,469,313.60 × 26,789,820.80
  4. Step 4: Simplify right side
    28,979,542.40x = 1,164,535,121,643,003
  5. Step 5: Solve for x
    x = 1,164,535,121,643,003/28,979,542.40
  6. Step 6: Final answer
    x = 40,184,731.20

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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.