Home / 8,271,299.96-12,395,599.61-5,233,227.21

Finding the Fourth Proportional to 8,271,299.96, 12,395,599.61 and 5,233,227.21

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Solution

The fourth proportional to 8,271,299.96, 12,395,599.61 and 5,233,227.21 is: 7,842,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,299.96 : 12,395,599.61 = 5,233,227.21 : x
  2. Step 2: Convert to fraction form
    8,271,299.96/12,395,599.61 = 5,233,227.21/x
  3. Step 3: Cross multiply
    8,271,299.96x = 12,395,599.61 × 5,233,227.21
  4. Step 4: Simplify right side
    8,271,299.96x = 64,868,989,166,588.16
  5. Step 5: Solve for x
    x = 64,868,989,166,588.16/8,271,299.96
  6. Step 6: Final answer
    x = 7,842,659.49

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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.