Home / 38,855,364.77-53,620,482.99-21,451,743.65

Finding the Fourth Proportional to 38,855,364.77, 53,620,482.99 and 21,451,743.65

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Solution

The fourth proportional to 38,855,364.77, 53,620,482.99 and 21,451,743.65 is: 29,603,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855,364.77 : 53,620,482.99 = 21,451,743.65 : x
  2. Step 2: Convert to fraction form
    38,855,364.77/53,620,482.99 = 21,451,743.65/x
  3. Step 3: Cross multiply
    38,855,364.77x = 53,620,482.99 × 21,451,743.65
  4. Step 4: Simplify right side
    38,855,364.77x = 1,150,252,855,222,563
  5. Step 5: Solve for x
    x = 1,150,252,855,222,563/38,855,364.77
  6. Step 6: Final answer
    x = 29,603,450.18

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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.