Home / 6,911,572.65-9,537,974.35-3,855,786.90

Finding the Fourth Proportional to 6,911,572.65, 9,537,974.35 and 3,855,786.90

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Solution

The fourth proportional to 6,911,572.65, 9,537,974.35 and 3,855,786.90 is: 5,320,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,572.65 : 9,537,974.35 = 3,855,786.90 : x
  2. Step 2: Convert to fraction form
    6,911,572.65/9,537,974.35 = 3,855,786.90/x
  3. Step 3: Cross multiply
    6,911,572.65x = 9,537,974.35 × 3,855,786.90
  4. Step 4: Simplify right side
    6,911,572.65x = 36,776,396,505,859.15
  5. Step 5: Solve for x
    x = 36,776,396,505,859.15/6,911,572.65
  6. Step 6: Final answer
    x = 5,320,988.20

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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.