Home / 8,404,729.20-12,618,903.60-5,216,083.20

Finding the Fourth Proportional to 8,404,729.20, 12,618,903.60 and 5,216,083.20

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Solution

The fourth proportional to 8,404,729.20, 12,618,903.60 and 5,216,083.20 is: 7,831,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,729.20 : 12,618,903.60 = 5,216,083.20 : x
  2. Step 2: Convert to fraction form
    8,404,729.20/12,618,903.60 = 5,216,083.20/x
  3. Step 3: Cross multiply
    8,404,729.20x = 12,618,903.60 × 5,216,083.20
  4. Step 4: Simplify right side
    8,404,729.20x = 65,821,251,070,379.52
  5. Step 5: Solve for x
    x = 65,821,251,070,379.52/8,404,729.20
  6. Step 6: Final answer
    x = 7,831,454.11

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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.