Home / 15,462,586.82-21,337,785.21-8,587,511.75

Finding the Fourth Proportional to 15,462,586.82, 21,337,785.21 and 8,587,511.75

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Solution

The fourth proportional to 15,462,586.82, 21,337,785.21 and 8,587,511.75 is: 11,850,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462,586.82 : 21,337,785.21 = 8,587,511.75 : x
  2. Step 2: Convert to fraction form
    15,462,586.82/21,337,785.21 = 8,587,511.75/x
  3. Step 3: Cross multiply
    15,462,586.82x = 21,337,785.21 × 8,587,511.75
  4. Step 4: Simplify right side
    15,462,586.82x = 183,238,481,209,851.22
  5. Step 5: Solve for x
    x = 183,238,481,209,851.22/15,462,586.82
  6. Step 6: Final answer
    x = 11,850,441.54

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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.