Home / 13,355,641.17-20,034,914.90-4,255,599.78

Finding the Fourth Proportional to 13,355,641.17, 20,034,914.90 and 4,255,599.78

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Solution

The fourth proportional to 13,355,641.17, 20,034,914.90 and 4,255,599.78 is: 6,383,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,641.17 : 20,034,914.90 = 4,255,599.78 : x
  2. Step 2: Convert to fraction form
    13,355,641.17/20,034,914.90 = 4,255,599.78/x
  3. Step 3: Cross multiply
    13,355,641.17x = 20,034,914.90 × 4,255,599.78
  4. Step 4: Simplify right side
    13,355,641.17x = 85,260,579,419,480.72
  5. Step 5: Solve for x
    x = 85,260,579,419,480.72/13,355,641.17
  6. Step 6: Final answer
    x = 6,383,862.69

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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.