Home / 38,739,902.67-53,464,841.82-28,933,321.55

Finding the Fourth Proportional to 38,739,902.67, 53,464,841.82 and 28,933,321.55

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Solution

The fourth proportional to 38,739,902.67, 53,464,841.82 and 28,933,321.55 is: 39,930,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,902.67 : 53,464,841.82 = 28,933,321.55 : x
  2. Step 2: Convert to fraction form
    38,739,902.67/53,464,841.82 = 28,933,321.55/x
  3. Step 3: Cross multiply
    38,739,902.67x = 53,464,841.82 × 28,933,321.55
  4. Step 4: Simplify right side
    38,739,902.67x = 1,546,915,459,730,623
  5. Step 5: Solve for x
    x = 1,546,915,459,730,623/38,739,902.67
  6. Step 6: Final answer
    x = 39,930,803.98

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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.