Home / 6,486,696.47-8,950,155.90-3,872,691.74

Finding the Fourth Proportional to 6,486,696.47, 8,950,155.90 and 3,872,691.74

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Solution

The fourth proportional to 6,486,696.47, 8,950,155.90 and 3,872,691.74 is: 5,343,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486,696.47 : 8,950,155.90 = 3,872,691.74 : x
  2. Step 2: Convert to fraction form
    6,486,696.47/8,950,155.90 = 3,872,691.74/x
  3. Step 3: Cross multiply
    6,486,696.47x = 8,950,155.90 × 3,872,691.74
  4. Step 4: Simplify right side
    6,486,696.47x = 34,661,194,825,642.27
  5. Step 5: Solve for x
    x = 34,661,194,825,642.27/6,486,696.47
  6. Step 6: Final answer
    x = 5,343,427.89

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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.