Home / 5,382,907.20-8,078,767.20-5,340,916.80

Finding the Fourth Proportional to 5,382,907.20, 8,078,767.20 and 5,340,916.80

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Solution

The fourth proportional to 5,382,907.20, 8,078,767.20 and 5,340,916.80 is: 8,015,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,907.20 : 8,078,767.20 = 5,340,916.80 : x
  2. Step 2: Convert to fraction form
    5,382,907.20/8,078,767.20 = 5,340,916.80/x
  3. Step 3: Cross multiply
    5,382,907.20x = 8,078,767.20 × 5,340,916.80
  4. Step 4: Simplify right side
    5,382,907.20x = 43,148,023,461,768.96
  5. Step 5: Solve for x
    x = 43,148,023,461,768.96/5,382,907.20
  6. Step 6: Final answer
    x = 8,015,747.23

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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.