Home / 6,338,821.38-8,747,509.20-3,438,149.94

Finding the Fourth Proportional to 6,338,821.38, 8,747,509.20 and 3,438,149.94

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Solution

The fourth proportional to 6,338,821.38, 8,747,509.20 and 3,438,149.94 is: 4,744,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,821.38 : 8,747,509.20 = 3,438,149.94 : x
  2. Step 2: Convert to fraction form
    6,338,821.38/8,747,509.20 = 3,438,149.94/x
  3. Step 3: Cross multiply
    6,338,821.38x = 8,747,509.20 × 3,438,149.94
  4. Step 4: Simplify right side
    6,338,821.38x = 30,075,248,231,129.45
  5. Step 5: Solve for x
    x = 30,075,248,231,129.45/6,338,821.38
  6. Step 6: Final answer
    x = 4,744,612.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.