Home / 8,512,313.55-12,768,470.33-7,449,431.55

Finding the Fourth Proportional to 8,512,313.55, 12,768,470.33 and 7,449,431.55

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Solution

The fourth proportional to 8,512,313.55, 12,768,470.33 and 7,449,431.55 is: 11,174,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,313.55 : 12,768,470.33 = 7,449,431.55 : x
  2. Step 2: Convert to fraction form
    8,512,313.55/12,768,470.33 = 7,449,431.55/x
  3. Step 3: Cross multiply
    8,512,313.55x = 12,768,470.33 × 7,449,431.55
  4. Step 4: Simplify right side
    8,512,313.55x = 95,117,845,684,293.75
  5. Step 5: Solve for x
    x = 95,117,845,684,293.75/8,512,313.55
  6. Step 6: Final answer
    x = 11,174,147.33

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Double scale
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Similar ratio
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1.5x scale

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.