Home / 15,223,572.72-21,008,518.11-8,254,481.22

Finding the Fourth Proportional to 15,223,572.72, 21,008,518.11 and 8,254,481.22

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Solution

The fourth proportional to 15,223,572.72, 21,008,518.11 and 8,254,481.22 is: 11,391,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223,572.72 : 21,008,518.11 = 8,254,481.22 : x
  2. Step 2: Convert to fraction form
    15,223,572.72/21,008,518.11 = 8,254,481.22/x
  3. Step 3: Cross multiply
    15,223,572.72x = 21,008,518.11 × 8,254,481.22
  4. Step 4: Simplify right side
    15,223,572.72x = 173,414,418,199,024.88
  5. Step 5: Solve for x
    x = 173,414,418,199,024.88/15,223,572.72
  6. Step 6: Final answer
    x = 11,391,177.44

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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.