Home / 15,276,596.89-21,081,282.22-8,401,078.95

Finding the Fourth Proportional to 15,276,596.89, 21,081,282.22 and 8,401,078.95

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Solution

The fourth proportional to 15,276,596.89, 21,081,282.22 and 8,401,078.95 is: 11,593,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,596.89 : 21,081,282.22 = 8,401,078.95 : x
  2. Step 2: Convert to fraction form
    15,276,596.89/21,081,282.22 = 8,401,078.95/x
  3. Step 3: Cross multiply
    15,276,596.89x = 21,081,282.22 × 8,401,078.95
  4. Step 4: Simplify right side
    15,276,596.89x = 177,105,516,307,952.62
  5. Step 5: Solve for x
    x = 177,105,516,307,952.62/15,276,596.89
  6. Step 6: Final answer
    x = 11,593,257.16

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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.