Home / 11,720,877.40-17,587,311.22-5,579,797.80

Finding the Fourth Proportional to 11,720,877.40, 17,587,311.22 and 5,579,797.80

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Solution

The fourth proportional to 11,720,877.40, 17,587,311.22 and 5,579,797.80 is: 8,372,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720,877.40 : 17,587,311.22 = 5,579,797.80 : x
  2. Step 2: Convert to fraction form
    11,720,877.40/17,587,311.22 = 5,579,797.80/x
  3. Step 3: Cross multiply
    11,720,877.40x = 17,587,311.22 × 5,579,797.80
  4. Step 4: Simplify right side
    11,720,877.40x = 98,133,640,453,271.31
  5. Step 5: Solve for x
    x = 98,133,640,453,271.31/11,720,877.40
  6. Step 6: Final answer
    x = 8,372,550.71

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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.