Home / 25,658,242.78-35,408,093.20-13,897,218.75

Finding the Fourth Proportional to 25,658,242.78, 35,408,093.20 and 13,897,218.75

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Solution

The fourth proportional to 25,658,242.78, 35,408,093.20 and 13,897,218.75 is: 19,178,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658,242.78 : 35,408,093.20 = 13,897,218.75 : x
  2. Step 2: Convert to fraction form
    25,658,242.78/35,408,093.20 = 13,897,218.75/x
  3. Step 3: Cross multiply
    25,658,242.78x = 35,408,093.20 × 13,897,218.75
  4. Step 4: Simplify right side
    25,658,242.78x = 492,074,016,720,787.56
  5. Step 5: Solve for x
    x = 492,074,016,720,787.56/25,658,242.78
  6. Step 6: Final answer
    x = 19,178,009.22

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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.