Home / 13,585,434-20,372,173.20-7,194,194.88

Finding the Fourth Proportional to 13,585,434, 20,372,173.20 and 7,194,194.88

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Solution

The fourth proportional to 13,585,434, 20,372,173.20 and 7,194,194.88 is: 10,788,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,434 : 20,372,173.20 = 7,194,194.88 : x
  2. Step 2: Convert to fraction form
    13,585,434/20,372,173.20 = 7,194,194.88/x
  3. Step 3: Cross multiply
    13,585,434x = 20,372,173.20 × 7,194,194.88
  4. Step 4: Simplify right side
    13,585,434x = 146,561,384,129,913.22
  5. Step 5: Solve for x
    x = 146,561,384,129,913.22/13,585,434
  6. Step 6: Final answer
    x = 10,788,126.76

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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.