Home / 11,105,887.20-16,640,168.40-5,413,855.20

Finding the Fourth Proportional to 11,105,887.20, 16,640,168.40 and 5,413,855.20

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Solution

The fourth proportional to 11,105,887.20, 16,640,168.40 and 5,413,855.20 is: 8,111,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105,887.20 : 16,640,168.40 = 5,413,855.20 : x
  2. Step 2: Convert to fraction form
    11,105,887.20/16,640,168.40 = 5,413,855.20/x
  3. Step 3: Cross multiply
    11,105,887.20x = 16,640,168.40 × 5,413,855.20
  4. Step 4: Simplify right side
    11,105,887.20x = 90,087,462,221,215.69
  5. Step 5: Solve for x
    x = 90,087,462,221,215.69/11,105,887.20
  6. Step 6: Final answer
    x = 8,111,685.32

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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.