Home / 8,622,756.80-12,930,576.48-2,943,439.04

Finding the Fourth Proportional to 8,622,756.80, 12,930,576.48 and 2,943,439.04

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Solution

The fourth proportional to 8,622,756.80, 12,930,576.48 and 2,943,439.04 is: 4,413,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,756.80 : 12,930,576.48 = 2,943,439.04 : x
  2. Step 2: Convert to fraction form
    8,622,756.80/12,930,576.48 = 2,943,439.04/x
  3. Step 3: Cross multiply
    8,622,756.80x = 12,930,576.48 × 2,943,439.04
  4. Step 4: Simplify right side
    8,622,756.80x = 38,060,363,620,937.78
  5. Step 5: Solve for x
    x = 38,060,363,620,937.78/8,622,756.80
  6. Step 6: Final answer
    x = 4,413,943.77

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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.