Home / 13,996,878.70-20,995,318.05-3,899,499.70

Finding the Fourth Proportional to 13,996,878.70, 20,995,318.05 and 3,899,499.70

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Solution

The fourth proportional to 13,996,878.70, 20,995,318.05 and 3,899,499.70 is: 5,849,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996,878.70 : 20,995,318.05 = 3,899,499.70 : x
  2. Step 2: Convert to fraction form
    13,996,878.70/20,995,318.05 = 3,899,499.70/x
  3. Step 3: Cross multiply
    13,996,878.70x = 20,995,318.05 × 3,899,499.70
  4. Step 4: Simplify right side
    13,996,878.70x = 81,871,236,437,379.59
  5. Step 5: Solve for x
    x = 81,871,236,437,379.59/13,996,878.70
  6. Step 6: Final answer
    x = 5,849,249.55

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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.