Home / 8,320,948.80-12,481,423.20-3,841,972.80

Finding the Fourth Proportional to 8,320,948.80, 12,481,423.20 and 3,841,972.80

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Solution

The fourth proportional to 8,320,948.80, 12,481,423.20 and 3,841,972.80 is: 5,762,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,948.80 : 12,481,423.20 = 3,841,972.80 : x
  2. Step 2: Convert to fraction form
    8,320,948.80/12,481,423.20 = 3,841,972.80/x
  3. Step 3: Cross multiply
    8,320,948.80x = 12,481,423.20 × 3,841,972.80
  4. Step 4: Simplify right side
    8,320,948.80x = 47,953,288,439,688.95
  5. Step 5: Solve for x
    x = 47,953,288,439,688.95/8,320,948.80
  6. Step 6: Final answer
    x = 5,762,959.20

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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.