Home / 12,557,758.08-17,327,621.52-7,400,419.68

Finding the Fourth Proportional to 12,557,758.08, 17,327,621.52 and 7,400,419.68

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Solution

The fourth proportional to 12,557,758.08, 17,327,621.52 and 7,400,419.68 is: 10,211,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,758.08 : 17,327,621.52 = 7,400,419.68 : x
  2. Step 2: Convert to fraction form
    12,557,758.08/17,327,621.52 = 7,400,419.68/x
  3. Step 3: Cross multiply
    12,557,758.08x = 17,327,621.52 × 7,400,419.68
  4. Step 4: Simplify right side
    12,557,758.08x = 128,231,671,304,199.50
  5. Step 5: Solve for x
    x = 128,231,671,304,199.50/12,557,758.08
  6. Step 6: Final answer
    x = 10,211,350.66

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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.