Home / 22,503,778.71-31,055,309.78-12,190,501.80

Finding the Fourth Proportional to 22,503,778.71, 31,055,309.78 and 12,190,501.80

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Solution

The fourth proportional to 22,503,778.71, 31,055,309.78 and 12,190,501.80 is: 16,822,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503,778.71 : 31,055,309.78 = 12,190,501.80 : x
  2. Step 2: Convert to fraction form
    22,503,778.71/31,055,309.78 = 12,190,501.80/x
  3. Step 3: Cross multiply
    22,503,778.71x = 31,055,309.78 × 12,190,501.80
  4. Step 4: Simplify right side
    22,503,778.71x = 378,579,809,819,809.62
  5. Step 5: Solve for x
    x = 378,579,809,819,809.62/22,503,778.71
  6. Step 6: Final answer
    x = 16,822,944.04

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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.