Home / 6,766,216.40-10,149,785.40-2,154,837.20

Finding the Fourth Proportional to 6,766,216.40, 10,149,785.40 and 2,154,837.20

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Solution

The fourth proportional to 6,766,216.40, 10,149,785.40 and 2,154,837.20 is: 3,232,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766,216.40 : 10,149,785.40 = 2,154,837.20 : x
  2. Step 2: Convert to fraction form
    6,766,216.40/10,149,785.40 = 2,154,837.20/x
  3. Step 3: Cross multiply
    6,766,216.40x = 10,149,785.40 × 2,154,837.20
  4. Step 4: Simplify right side
    6,766,216.40x = 21,871,135,151,936.88
  5. Step 5: Solve for x
    x = 21,871,135,151,936.88/6,766,216.40
  6. Step 6: Final answer
    x = 3,232,402.55

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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.