Home / 6,739,907.70-10,109,861.55-4,188,990.90

Finding the Fourth Proportional to 6,739,907.70, 10,109,861.55 and 4,188,990.90

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Solution

The fourth proportional to 6,739,907.70, 10,109,861.55 and 4,188,990.90 is: 6,283,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,907.70 : 10,109,861.55 = 4,188,990.90 : x
  2. Step 2: Convert to fraction form
    6,739,907.70/10,109,861.55 = 4,188,990.90/x
  3. Step 3: Cross multiply
    6,739,907.70x = 10,109,861.55 × 4,188,990.90
  4. Step 4: Simplify right side
    6,739,907.70x = 42,350,118,033,209.90
  5. Step 5: Solve for x
    x = 42,350,118,033,209.90/6,739,907.70
  6. Step 6: Final answer
    x = 6,283,486.35

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Double scale
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Similar ratio
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1.5x scale

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.