Home / 38,387,165.09-57,580,747.83-12,828,174.53

Finding the Fourth Proportional to 38,387,165.09, 57,580,747.83 and 12,828,174.53

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Solution

The fourth proportional to 38,387,165.09, 57,580,747.83 and 12,828,174.53 is: 19,242,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387,165.09 : 57,580,747.83 = 12,828,174.53 : x
  2. Step 2: Convert to fraction form
    38,387,165.09/57,580,747.83 = 12,828,174.53/x
  3. Step 3: Cross multiply
    38,387,165.09x = 57,580,747.83 × 12,828,174.53
  4. Step 4: Simplify right side
    38,387,165.09x = 738,655,882,443,255
  5. Step 5: Solve for x
    x = 738,655,882,443,255/38,387,165.09
  6. Step 6: Final answer
    x = 19,242,261.86

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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.