Home / 8,300,631.22-12,452,972.69-3,182,969.70

Finding the Fourth Proportional to 8,300,631.22, 12,452,972.69 and 3,182,969.70

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Solution

The fourth proportional to 8,300,631.22, 12,452,972.69 and 3,182,969.70 is: 4,775,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,631.22 : 12,452,972.69 = 3,182,969.70 : x
  2. Step 2: Convert to fraction form
    8,300,631.22/12,452,972.69 = 3,182,969.70/x
  3. Step 3: Cross multiply
    8,300,631.22x = 12,452,972.69 × 3,182,969.70
  4. Step 4: Simplify right side
    8,300,631.22x = 39,637,434,747,197.49
  5. Step 5: Solve for x
    x = 39,637,434,747,197.49/8,300,631.22
  6. Step 6: Final answer
    x = 4,775,231.39

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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.