Home / 34,438,778.30-51,536,836.79-21,491,021.15

Finding the Fourth Proportional to 34,438,778.30, 51,536,836.79 and 21,491,021.15

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Solution

The fourth proportional to 34,438,778.30, 51,536,836.79 and 21,491,021.15 is: 32,160,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438,778.30 : 51,536,836.79 = 21,491,021.15 : x
  2. Step 2: Convert to fraction form
    34,438,778.30/51,536,836.79 = 21,491,021.15/x
  3. Step 3: Cross multiply
    34,438,778.30x = 51,536,836.79 × 21,491,021.15
  4. Step 4: Simplify right side
    34,438,778.30x = 1,107,579,249,092,848.75
  5. Step 5: Solve for x
    x = 1,107,579,249,092,848.75/34,438,778.30
  6. Step 6: Final answer
    x = 32,160,817.08

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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.