Home / 38,387,185.34-57,580,778.21-12,828,194.78

Finding the Fourth Proportional to 38,387,185.34, 57,580,778.21 and 12,828,194.78

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Solution

The fourth proportional to 38,387,185.34, 57,580,778.21 and 12,828,194.78 is: 19,242,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387,185.34 : 57,580,778.21 = 12,828,194.78 : x
  2. Step 2: Convert to fraction form
    38,387,185.34/57,580,778.21 = 12,828,194.78/x
  3. Step 3: Cross multiply
    38,387,185.34x = 57,580,778.21 × 12,828,194.78
  4. Step 4: Simplify right side
    38,387,185.34x = 738,657,438,109,814.88
  5. Step 5: Solve for x
    x = 738,657,438,109,814.88/38,387,185.34
  6. Step 6: Final answer
    x = 19,242,292.23

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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.