Home / 18,127,290.89-25,015,980.60-9,867,590.88

Finding the Fourth Proportional to 18,127,290.89, 25,015,980.60 and 9,867,590.88

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Solution

The fourth proportional to 18,127,290.89, 25,015,980.60 and 9,867,590.88 is: 13,617,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,290.89 : 25,015,980.60 = 9,867,590.88 : x
  2. Step 2: Convert to fraction form
    18,127,290.89/25,015,980.60 = 9,867,590.88/x
  3. Step 3: Cross multiply
    18,127,290.89x = 25,015,980.60 × 9,867,590.88
  4. Step 4: Simplify right side
    18,127,290.89x = 246,847,462,022,816.97
  5. Step 5: Solve for x
    x = 246,847,462,022,816.97/18,127,290.89
  6. Step 6: Final answer
    x = 13,617,449.16

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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.