Home / 15,854,940.33-21,879,445.50-9,328,992.48

Finding the Fourth Proportional to 15,854,940.33, 21,879,445.50 and 9,328,992.48

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Solution

The fourth proportional to 15,854,940.33, 21,879,445.50 and 9,328,992.48 is: 12,873,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854,940.33 : 21,879,445.50 = 9,328,992.48 : x
  2. Step 2: Convert to fraction form
    15,854,940.33/21,879,445.50 = 9,328,992.48/x
  3. Step 3: Cross multiply
    15,854,940.33x = 21,879,445.50 × 9,328,992.48
  4. Step 4: Simplify right side
    15,854,940.33x = 204,113,182,536,069.84
  5. Step 5: Solve for x
    x = 204,113,182,536,069.84/15,854,940.33
  6. Step 6: Final answer
    x = 12,873,790.65

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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.