Home / 12,068,402.21-16,654,993.41-7,486,199.81

Finding the Fourth Proportional to 12,068,402.21, 16,654,993.41 and 7,486,199.81

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Solution

The fourth proportional to 12,068,402.21, 16,654,993.41 and 7,486,199.81 is: 10,331,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,402.21 : 16,654,993.41 = 7,486,199.81 : x
  2. Step 2: Convert to fraction form
    12,068,402.21/16,654,993.41 = 7,486,199.81/x
  3. Step 3: Cross multiply
    12,068,402.21x = 16,654,993.41 × 7,486,199.81
  4. Step 4: Simplify right side
    12,068,402.21x = 124,682,608,380,787.28
  5. Step 5: Solve for x
    x = 124,682,608,380,787.28/12,068,402.21
  6. Step 6: Final answer
    x = 10,331,326.90

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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.