Home / 18,155,617.88-25,054,590.72-9,895,679.72

Finding the Fourth Proportional to 18,155,617.88, 25,054,590.72 and 9,895,679.72

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Solution

The fourth proportional to 18,155,617.88, 25,054,590.72 and 9,895,679.72 is: 13,655,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,617.88 : 25,054,590.72 = 9,895,679.72 : x
  2. Step 2: Convert to fraction form
    18,155,617.88/25,054,590.72 = 9,895,679.72/x
  3. Step 3: Cross multiply
    18,155,617.88x = 25,054,590.72 × 9,895,679.72
  4. Step 4: Simplify right side
    18,155,617.88x = 247,932,205,280,804.22
  5. Step 5: Solve for x
    x = 247,932,205,280,804.22/18,155,617.88
  6. Step 6: Final answer
    x = 13,655,949.74

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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.