Home / 22,691,280.57-31,313,929.22-12,378,003.66

Finding the Fourth Proportional to 22,691,280.57, 31,313,929.22 and 12,378,003.66

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Solution

The fourth proportional to 22,691,280.57, 31,313,929.22 and 12,378,003.66 is: 17,081,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691,280.57 : 31,313,929.22 = 12,378,003.66 : x
  2. Step 2: Convert to fraction form
    22,691,280.57/31,313,929.22 = 12,378,003.66/x
  3. Step 3: Cross multiply
    22,691,280.57x = 31,313,929.22 × 12,378,003.66
  4. Step 4: Simplify right side
    22,691,280.57x = 387,603,930,478,668.44
  5. Step 5: Solve for x
    x = 387,603,930,478,668.44/22,691,280.57
  6. Step 6: Final answer
    x = 17,081,624.34

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1.5x scale

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.