Home / 6,874,765.76-9,486,854.88-3,819,166.40

Finding the Fourth Proportional to 6,874,765.76, 9,486,854.88 and 3,819,166.40

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Solution

The fourth proportional to 6,874,765.76, 9,486,854.88 and 3,819,166.40 is: 5,270,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874,765.76 : 9,486,854.88 = 3,819,166.40 : x
  2. Step 2: Convert to fraction form
    6,874,765.76/9,486,854.88 = 3,819,166.40/x
  3. Step 3: Cross multiply
    6,874,765.76x = 9,486,854.88 × 3,819,166.40
  4. Step 4: Simplify right side
    6,874,765.76x = 36,231,877,399,372.03
  5. Step 5: Solve for x
    x = 36,231,877,399,372.03/6,874,765.76
  6. Step 6: Final answer
    x = 5,270,270.82

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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.