Home / 25,541,010.56-35,217,879.36-20,880,387.20

Finding the Fourth Proportional to 25,541,010.56, 35,217,879.36 and 20,880,387.20

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Solution

The fourth proportional to 25,541,010.56, 35,217,879.36 and 20,880,387.20 is: 28,791,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541,010.56 : 35,217,879.36 = 20,880,387.20 : x
  2. Step 2: Convert to fraction form
    25,541,010.56/35,217,879.36 = 20,880,387.20/x
  3. Step 3: Cross multiply
    25,541,010.56x = 35,217,879.36 × 20,880,387.20
  4. Step 4: Simplify right side
    25,541,010.56x = 735,362,957,399,688.12
  5. Step 5: Solve for x
    x = 735,362,957,399,688.12/25,541,010.56
  6. Step 6: Final answer
    x = 28,791,458.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.