Home / 18,176,987.64-25,083,367.50-9,916,558.20

Finding the Fourth Proportional to 18,176,987.64, 25,083,367.50 and 9,916,558.20

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Solution

The fourth proportional to 18,176,987.64, 25,083,367.50 and 9,916,558.20 is: 13,684,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176,987.64 : 25,083,367.50 = 9,916,558.20 : x
  2. Step 2: Convert to fraction form
    18,176,987.64/25,083,367.50 = 9,916,558.20/x
  3. Step 3: Cross multiply
    18,176,987.64x = 25,083,367.50 × 9,916,558.20
  4. Step 4: Simplify right side
    18,176,987.64x = 248,740,673,665,738.47
  5. Step 5: Solve for x
    x = 248,740,673,665,738.47/18,176,987.64
  6. Step 6: Final answer
    x = 13,684,372.71

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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.