Home / 18,127,171.54-25,015,470.73-9,867,208.29

Finding the Fourth Proportional to 18,127,171.54, 25,015,470.73 and 9,867,208.29

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Solution

The fourth proportional to 18,127,171.54, 25,015,470.73 and 9,867,208.29 is: 13,616,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,171.54 : 25,015,470.73 = 9,867,208.29 : x
  2. Step 2: Convert to fraction form
    18,127,171.54/25,015,470.73 = 9,867,208.29/x
  3. Step 3: Cross multiply
    18,127,171.54x = 25,015,470.73 × 9,867,208.29
  4. Step 4: Simplify right side
    18,127,171.54x = 246,832,860,165,308.34
  5. Step 5: Solve for x
    x = 246,832,860,165,308.34/18,127,171.54
  6. Step 6: Final answer
    x = 13,616,733.29

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1.5x scale

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.