Home / 15,672,225.48-21,627,251.97-8,702,721.22

Finding the Fourth Proportional to 15,672,225.48, 21,627,251.97 and 8,702,721.22

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Solution

The fourth proportional to 15,672,225.48, 21,627,251.97 and 8,702,721.22 is: 12,009,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,225.48 : 21,627,251.97 = 8,702,721.22 : x
  2. Step 2: Convert to fraction form
    15,672,225.48/21,627,251.97 = 8,702,721.22/x
  3. Step 3: Cross multiply
    15,672,225.48x = 21,627,251.97 × 8,702,721.22
  4. Step 4: Simplify right side
    15,672,225.48x = 188,215,944,649,605.81
  5. Step 5: Solve for x
    x = 188,215,944,649,605.81/15,672,225.48
  6. Step 6: Final answer
    x = 12,009,522.51

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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.