Home / 20,404,006.20-30,606,009.30-6,940,834.20

Finding the Fourth Proportional to 20,404,006.20, 30,606,009.30 and 6,940,834.20

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Solution

The fourth proportional to 20,404,006.20, 30,606,009.30 and 6,940,834.20 is: 10,411,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,006.20 : 30,606,009.30 = 6,940,834.20 : x
  2. Step 2: Convert to fraction form
    20,404,006.20/30,606,009.30 = 6,940,834.20/x
  3. Step 3: Cross multiply
    20,404,006.20x = 30,606,009.30 × 6,940,834.20
  4. Step 4: Simplify right side
    20,404,006.20x = 212,431,236,074,958.06
  5. Step 5: Solve for x
    x = 212,431,236,074,958.06/20,404,006.20
  6. Step 6: Final answer
    x = 10,411,251.30

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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.