Home / 22,019,929.70-33,029,894.55-21,138,131.30

Finding the Fourth Proportional to 22,019,929.70, 33,029,894.55 and 21,138,131.30

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Solution

The fourth proportional to 22,019,929.70, 33,029,894.55 and 21,138,131.30 is: 31,707,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,929.70 : 33,029,894.55 = 21,138,131.30 : x
  2. Step 2: Convert to fraction form
    22,019,929.70/33,029,894.55 = 21,138,131.30/x
  3. Step 3: Cross multiply
    22,019,929.70x = 33,029,894.55 × 21,138,131.30
  4. Step 4: Simplify right side
    22,019,929.70x = 698,190,247,823,054.50
  5. Step 5: Solve for x
    x = 698,190,247,823,054.50/22,019,929.70
  6. Step 6: Final answer
    x = 31,707,196.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.