Home / 20,147,758.88-30,230,541.84-10,560,845.12

Finding the Fourth Proportional to 20,147,758.88, 30,230,541.84 and 10,560,845.12

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Solution

The fourth proportional to 20,147,758.88, 30,230,541.84 and 10,560,845.12 is: 15,845,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,758.88 : 30,230,541.84 = 10,560,845.12 : x
  2. Step 2: Convert to fraction form
    20,147,758.88/30,230,541.84 = 10,560,845.12/x
  3. Step 3: Cross multiply
    20,147,758.88x = 30,230,541.84 × 10,560,845.12
  4. Step 4: Simplify right side
    20,147,758.88x = 319,260,070,265,919.81
  5. Step 5: Solve for x
    x = 319,260,070,265,919.81/20,147,758.88
  6. Step 6: Final answer
    x = 15,845,934.64

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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.