Home / 18,127,168.29-25,015,466.25-9,867,205.04

Finding the Fourth Proportional to 18,127,168.29, 25,015,466.25 and 9,867,205.04

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Solution

The fourth proportional to 18,127,168.29, 25,015,466.25 and 9,867,205.04 is: 13,616,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,168.29 : 25,015,466.25 = 9,867,205.04 : x
  2. Step 2: Convert to fraction form
    18,127,168.29/25,015,466.25 = 9,867,205.04/x
  3. Step 3: Cross multiply
    18,127,168.29x = 25,015,466.25 × 9,867,205.04
  4. Step 4: Simplify right side
    18,127,168.29x = 246,832,734,534,872.56
  5. Step 5: Solve for x
    x = 246,832,734,534,872.56/18,127,168.29
  6. Step 6: Final answer
    x = 13,616,728.80

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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.