Home / 19,859,713.09-29,789,525.86-5,286,635.86

Finding the Fourth Proportional to 19,859,713.09, 29,789,525.86 and 5,286,635.86

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Solution

The fourth proportional to 19,859,713.09, 29,789,525.86 and 5,286,635.86 is: 7,929,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,713.09 : 29,789,525.86 = 5,286,635.86 : x
  2. Step 2: Convert to fraction form
    19,859,713.09/29,789,525.86 = 5,286,635.86/x
  3. Step 3: Cross multiply
    19,859,713.09x = 29,789,525.86 × 5,286,635.86
  4. Step 4: Simplify right side
    19,859,713.09x = 157,486,375,576,182.94
  5. Step 5: Solve for x
    x = 157,486,375,576,182.94/19,859,713.09
  6. Step 6: Final answer
    x = 7,929,942.13

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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.