Home / 25,171,699.20-34,739,611.52-15,387,871.20

Finding the Fourth Proportional to 25,171,699.20, 34,739,611.52 and 15,387,871.20

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Solution

The fourth proportional to 25,171,699.20, 34,739,611.52 and 15,387,871.20 is: 21,236,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171,699.20 : 34,739,611.52 = 15,387,871.20 : x
  2. Step 2: Convert to fraction form
    25,171,699.20/34,739,611.52 = 15,387,871.20/x
  3. Step 3: Cross multiply
    25,171,699.20x = 34,739,611.52 × 15,387,871.20
  4. Step 4: Simplify right side
    25,171,699.20x = 534,568,667,607,796.25
  5. Step 5: Solve for x
    x = 534,568,667,607,796.25/25,171,699.20
  6. Step 6: Final answer
    x = 21,236,892.41

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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.