Home / 5,329,291.20-7,993,936.80-4,972,372.80

Finding the Fourth Proportional to 5,329,291.20, 7,993,936.80 and 4,972,372.80

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Solution

The fourth proportional to 5,329,291.20, 7,993,936.80 and 4,972,372.80 is: 7,458,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,291.20 : 7,993,936.80 = 4,972,372.80 : x
  2. Step 2: Convert to fraction form
    5,329,291.20/7,993,936.80 = 4,972,372.80/x
  3. Step 3: Cross multiply
    5,329,291.20x = 7,993,936.80 × 4,972,372.80
  4. Step 4: Simplify right side
    5,329,291.20x = 39,748,833,909,239.04
  5. Step 5: Solve for x
    x = 39,748,833,909,239.04/5,329,291.20
  6. Step 6: Final answer
    x = 7,458,559.20

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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.