Home / 8,309,303.46-12,438,414.46-7,083,480.40

Finding the Fourth Proportional to 8,309,303.46, 12,438,414.46 and 7,083,480.40

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Solution

The fourth proportional to 8,309,303.46, 12,438,414.46 and 7,083,480.40 is: 10,603,447.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,303.46 : 12,438,414.46 = 7,083,480.40 : x
  2. Step 2: Convert to fraction form
    8,309,303.46/12,438,414.46 = 7,083,480.40/x
  3. Step 3: Cross multiply
    8,309,303.46x = 12,438,414.46 × 7,083,480.40
  4. Step 4: Simplify right side
    8,309,303.46x = 88,107,265,034,486.59
  5. Step 5: Solve for x
    x = 88,107,265,034,486.59/8,309,303.46
  6. Step 6: Final answer
    x = 10,603,447.74

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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.