Home / 13,250,543.56-18,285,778.55-7,449,372.97

Finding the Fourth Proportional to 13,250,543.56, 18,285,778.55 and 7,449,372.97

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Solution

The fourth proportional to 13,250,543.56, 18,285,778.55 and 7,449,372.97 is: 10,280,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,543.56 : 18,285,778.55 = 7,449,372.97 : x
  2. Step 2: Convert to fraction form
    13,250,543.56/18,285,778.55 = 7,449,372.97/x
  3. Step 3: Cross multiply
    13,250,543.56x = 18,285,778.55 × 7,449,372.97
  4. Step 4: Simplify right side
    13,250,543.56x = 136,217,584,438,684.77
  5. Step 5: Solve for x
    x = 136,217,584,438,684.77/13,250,543.56
  6. Step 6: Final answer
    x = 10,280,150.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.