Home / 25,716,676.78-35,489,106.87-13,955,942.60

Finding the Fourth Proportional to 25,716,676.78, 35,489,106.87 and 13,955,942.60

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Solution

The fourth proportional to 25,716,676.78, 35,489,106.87 and 13,955,942.60 is: 19,259,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716,676.78 : 35,489,106.87 = 13,955,942.60 : x
  2. Step 2: Convert to fraction form
    25,716,676.78/35,489,106.87 = 13,955,942.60/x
  3. Step 3: Cross multiply
    25,716,676.78x = 35,489,106.87 × 13,955,942.60
  4. Step 4: Simplify right side
    25,716,676.78x = 495,283,938,225,540.12
  5. Step 5: Solve for x
    x = 495,283,938,225,540.12/25,716,676.78
  6. Step 6: Final answer
    x = 19,259,251.20

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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.