Home / 13,870,541.54-20,805,383.32-6,589,242.78

Finding the Fourth Proportional to 13,870,541.54, 20,805,383.32 and 6,589,242.78

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Solution

The fourth proportional to 13,870,541.54, 20,805,383.32 and 6,589,242.78 is: 9,883,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,541.54 : 20,805,383.32 = 6,589,242.78 : x
  2. Step 2: Convert to fraction form
    13,870,541.54/20,805,383.32 = 6,589,242.78/x
  3. Step 3: Cross multiply
    13,870,541.54x = 20,805,383.32 × 6,589,242.78
  4. Step 4: Simplify right side
    13,870,541.54x = 137,091,721,826,442.44
  5. Step 5: Solve for x
    x = 137,091,721,826,442.44/13,870,541.54
  6. Step 6: Final answer
    x = 9,883,660.38

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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.