Home / 21,350,819.44-29,464,169.88-11,931,610.24

Finding the Fourth Proportional to 21,350,819.44, 29,464,169.88 and 11,931,610.24

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Solution

The fourth proportional to 21,350,819.44, 29,464,169.88 and 11,931,610.24 is: 16,465,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350,819.44 : 29,464,169.88 = 11,931,610.24 : x
  2. Step 2: Convert to fraction form
    21,350,819.44/29,464,169.88 = 11,931,610.24/x
  3. Step 3: Cross multiply
    21,350,819.44x = 29,464,169.88 × 11,931,610.24
  4. Step 4: Simplify right side
    21,350,819.44x = 351,554,991,053,307.56
  5. Step 5: Solve for x
    x = 351,554,991,053,307.56/21,350,819.44
  6. Step 6: Final answer
    x = 16,465,643.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.