Home / 13,247,997.80-19,871,996.70-4,150,855.40

Finding the Fourth Proportional to 13,247,997.80, 19,871,996.70 and 4,150,855.40

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Solution

The fourth proportional to 13,247,997.80, 19,871,996.70 and 4,150,855.40 is: 6,226,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,997.80 : 19,871,996.70 = 4,150,855.40 : x
  2. Step 2: Convert to fraction form
    13,247,997.80/19,871,996.70 = 4,150,855.40/x
  3. Step 3: Cross multiply
    13,247,997.80x = 19,871,996.70 × 4,150,855.40
  4. Step 4: Simplify right side
    13,247,997.80x = 82,485,784,810,977.17
  5. Step 5: Solve for x
    x = 82,485,784,810,977.17/13,247,997.80
  6. Step 6: Final answer
    x = 6,226,283.10

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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.