Home / 7,788,200.10-11,682,300.15-3,299,892.90

Finding the Fourth Proportional to 7,788,200.10, 11,682,300.15 and 3,299,892.90

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Solution

The fourth proportional to 7,788,200.10, 11,682,300.15 and 3,299,892.90 is: 4,949,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,200.10 : 11,682,300.15 = 3,299,892.90 : x
  2. Step 2: Convert to fraction form
    7,788,200.10/11,682,300.15 = 3,299,892.90/x
  3. Step 3: Cross multiply
    7,788,200.10x = 11,682,300.15 × 3,299,892.90
  4. Step 4: Simplify right side
    7,788,200.10x = 38,550,339,320,653.94
  5. Step 5: Solve for x
    x = 38,550,339,320,653.94/7,788,200.10
  6. Step 6: Final answer
    x = 4,949,839.35

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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.