Home / 26,375,478.40-39,563,217.60-8,179,638.40

Finding the Fourth Proportional to 26,375,478.40, 39,563,217.60 and 8,179,638.40

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Solution

The fourth proportional to 26,375,478.40, 39,563,217.60 and 8,179,638.40 is: 12,269,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375,478.40 : 39,563,217.60 = 8,179,638.40 : x
  2. Step 2: Convert to fraction form
    26,375,478.40/39,563,217.60 = 8,179,638.40/x
  3. Step 3: Cross multiply
    26,375,478.40x = 39,563,217.60 × 8,179,638.40
  4. Step 4: Simplify right side
    26,375,478.40x = 323,612,813,908,515.88
  5. Step 5: Solve for x
    x = 323,612,813,908,515.88/26,375,478.40
  6. Step 6: Final answer
    x = 12,269,457.60

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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.