Home / 25,540,981.28-35,247,300.72-13,939,289.36

Finding the Fourth Proportional to 25,540,981.28, 35,247,300.72 and 13,939,289.36

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Solution

The fourth proportional to 25,540,981.28, 35,247,300.72 and 13,939,289.36 is: 19,236,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540,981.28 : 35,247,300.72 = 13,939,289.36 : x
  2. Step 2: Convert to fraction form
    25,540,981.28/35,247,300.72 = 13,939,289.36/x
  3. Step 3: Cross multiply
    25,540,981.28x = 35,247,300.72 × 13,939,289.36
  4. Step 4: Simplify right side
    25,540,981.28x = 491,322,323,895,016.31
  5. Step 5: Solve for x
    x = 491,322,323,895,016.31/25,540,981.28
  6. Step 6: Final answer
    x = 19,236,626.76

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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.