Home / 10,892,712.70-16,339,069.05-6,115,138.30

Finding the Fourth Proportional to 10,892,712.70, 16,339,069.05 and 6,115,138.30

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Solution

The fourth proportional to 10,892,712.70, 16,339,069.05 and 6,115,138.30 is: 9,172,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,712.70 : 16,339,069.05 = 6,115,138.30 : x
  2. Step 2: Convert to fraction form
    10,892,712.70/16,339,069.05 = 6,115,138.30/x
  3. Step 3: Cross multiply
    10,892,712.70x = 16,339,069.05 × 6,115,138.30
  4. Step 4: Simplify right side
    10,892,712.70x = 99,915,666,933,999.61
  5. Step 5: Solve for x
    x = 99,915,666,933,999.61/10,892,712.70
  6. Step 6: Final answer
    x = 9,172,707.45

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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.