Home / 8,756,572.20-13,134,858.30-8,383,324.20

Finding the Fourth Proportional to 8,756,572.20, 13,134,858.30 and 8,383,324.20

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Solution

The fourth proportional to 8,756,572.20, 13,134,858.30 and 8,383,324.20 is: 12,574,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,572.20 : 13,134,858.30 = 8,383,324.20 : x
  2. Step 2: Convert to fraction form
    8,756,572.20/13,134,858.30 = 8,383,324.20/x
  3. Step 3: Cross multiply
    8,756,572.20x = 13,134,858.30 × 8,383,324.20
  4. Step 4: Simplify right side
    8,756,572.20x = 110,113,775,449,960.88
  5. Step 5: Solve for x
    x = 110,113,775,449,960.88/8,756,572.20
  6. Step 6: Final answer
    x = 12,574,986.30

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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.