Home / 26,571,113.60-39,856,670.40-8,620,217.60

Finding the Fourth Proportional to 26,571,113.60, 39,856,670.40 and 8,620,217.60

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Solution

The fourth proportional to 26,571,113.60, 39,856,670.40 and 8,620,217.60 is: 12,930,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,113.60 : 39,856,670.40 = 8,620,217.60 : x
  2. Step 2: Convert to fraction form
    26,571,113.60/39,856,670.40 = 8,620,217.60/x
  3. Step 3: Cross multiply
    26,571,113.60x = 39,856,670.40 × 8,620,217.60
  4. Step 4: Simplify right side
    26,571,113.60x = 343,573,171,659,479
  5. Step 5: Solve for x
    x = 343,573,171,659,479/26,571,113.60
  6. Step 6: Final answer
    x = 12,930,326.40

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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.