Home / 8,709,993.68-13,064,146.28-2,644,778.72

Finding the Fourth Proportional to 8,709,993.68, 13,064,146.28 and 2,644,778.72

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Solution

The fourth proportional to 8,709,993.68, 13,064,146.28 and 2,644,778.72 is: 3,966,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,993.68 : 13,064,146.28 = 2,644,778.72 : x
  2. Step 2: Convert to fraction form
    8,709,993.68/13,064,146.28 = 2,644,778.72/x
  3. Step 3: Cross multiply
    8,709,993.68x = 13,064,146.28 × 2,644,778.72
  4. Step 4: Simplify right side
    8,709,993.68x = 34,551,775,997,766.54
  5. Step 5: Solve for x
    x = 34,551,775,997,766.54/8,709,993.68
  6. Step 6: Final answer
    x = 3,966,911.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.