Home / 38,855,370.02-53,620,490.25-21,451,748.90

Finding the Fourth Proportional to 38,855,370.02, 53,620,490.25 and 21,451,748.90

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Solution

The fourth proportional to 38,855,370.02, 53,620,490.25 and 21,451,748.90 is: 29,603,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855,370.02 : 53,620,490.25 = 21,451,748.90 : x
  2. Step 2: Convert to fraction form
    38,855,370.02/53,620,490.25 = 21,451,748.90/x
  3. Step 3: Cross multiply
    38,855,370.02x = 53,620,490.25 × 21,451,748.90
  4. Step 4: Simplify right side
    38,855,370.02x = 1,150,253,292,469,795.75
  5. Step 5: Solve for x
    x = 1,150,253,292,469,795.75/38,855,370.02
  6. Step 6: Final answer
    x = 29,603,457.44

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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.