Home / 20,206,962.30-30,310,443.45-11,682,911.10

Finding the Fourth Proportional to 20,206,962.30, 30,310,443.45 and 11,682,911.10

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Solution

The fourth proportional to 20,206,962.30, 30,310,443.45 and 11,682,911.10 is: 17,524,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206,962.30 : 30,310,443.45 = 11,682,911.10 : x
  2. Step 2: Convert to fraction form
    20,206,962.30/30,310,443.45 = 11,682,911.10/x
  3. Step 3: Cross multiply
    20,206,962.30x = 30,310,443.45 × 11,682,911.10
  4. Step 4: Simplify right side
    20,206,962.30x = 354,114,216,227,927.25
  5. Step 5: Solve for x
    x = 354,114,216,227,927.25/20,206,962.30
  6. Step 6: Final answer
    x = 17,524,366.65

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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.