Home / 15,276,610.92-21,081,302.67-8,401,092.98

Finding the Fourth Proportional to 15,276,610.92, 21,081,302.67 and 8,401,092.98

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Solution

The fourth proportional to 15,276,610.92, 21,081,302.67 and 8,401,092.98 is: 11,593,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,610.92 : 21,081,302.67 = 8,401,092.98 : x
  2. Step 2: Convert to fraction form
    15,276,610.92/21,081,302.67 = 8,401,092.98/x
  3. Step 3: Cross multiply
    15,276,610.92x = 21,081,302.67 × 8,401,092.98
  4. Step 4: Simplify right side
    15,276,610.92x = 177,105,983,891,248.28
  5. Step 5: Solve for x
    x = 177,105,983,891,248.28/15,276,610.92
  6. Step 6: Final answer
    x = 11,593,277.12

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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.