Home / 8,107,907.85-11,188,913.72-4,436,825.20

Finding the Fourth Proportional to 8,107,907.85, 11,188,913.72 and 4,436,825.20

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Solution

The fourth proportional to 8,107,907.85, 11,188,913.72 and 4,436,825.20 is: 6,122,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107,907.85 : 11,188,913.72 = 4,436,825.20 : x
  2. Step 2: Convert to fraction form
    8,107,907.85/11,188,913.72 = 4,436,825.20/x
  3. Step 3: Cross multiply
    8,107,907.85x = 11,188,913.72 × 4,436,825.20
  4. Step 4: Simplify right side
    8,107,907.85x = 49,643,254,353,521.75
  5. Step 5: Solve for x
    x = 49,643,254,353,521.75/8,107,907.85
  6. Step 6: Final answer
    x = 6,122,819.26

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1.5x scale

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.