Home / 12,500,443.81-18,844,359.11-11,667,160.93

Finding the Fourth Proportional to 12,500,443.81, 18,844,359.11 and 11,667,160.93

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Solution

The fourth proportional to 12,500,443.81, 18,844,359.11 and 11,667,160.93 is: 17,588,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,443.81 : 18,844,359.11 = 11,667,160.93 : x
  2. Step 2: Convert to fraction form
    12,500,443.81/18,844,359.11 = 11,667,160.93/x
  3. Step 3: Cross multiply
    12,500,443.81x = 18,844,359.11 × 11,667,160.93
  4. Step 4: Simplify right side
    12,500,443.81x = 219,860,170,300,745.78
  5. Step 5: Solve for x
    x = 219,860,170,300,745.78/12,500,443.81
  6. Step 6: Final answer
    x = 17,588,189.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.