Home / 36,000,351.87-49,680,714.96-21,112,640.40

Finding the Fourth Proportional to 36,000,351.87, 49,680,714.96 and 21,112,640.40

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Solution

The fourth proportional to 36,000,351.87, 49,680,714.96 and 21,112,640.40 is: 29,135,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000,351.87 : 49,680,714.96 = 21,112,640.40 : x
  2. Step 2: Convert to fraction form
    36,000,351.87/49,680,714.96 = 21,112,640.40/x
  3. Step 3: Cross multiply
    36,000,351.87x = 49,680,714.96 × 21,112,640.40
  4. Step 4: Simplify right side
    36,000,351.87x = 1,048,891,069,765,380.38
  5. Step 5: Solve for x
    x = 1,048,891,069,765,380.38/36,000,351.87
  6. Step 6: Final answer
    x = 29,135,578.27

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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.