Home / 38,557,940.20-57,931,388.70-28,992,002.20

Finding the Fourth Proportional to 38,557,940.20, 57,931,388.70 and 28,992,002.20

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Solution

The fourth proportional to 38,557,940.20, 57,931,388.70 and 28,992,002.20 is: 43,559,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557,940.20 : 57,931,388.70 = 28,992,002.20 : x
  2. Step 2: Convert to fraction form
    38,557,940.20/57,931,388.70 = 28,992,002.20/x
  3. Step 3: Cross multiply
    38,557,940.20x = 57,931,388.70 × 28,992,002.20
  4. Step 4: Simplify right side
    38,557,940.20x = 1,679,546,948,639,455.25
  5. Step 5: Solve for x
    x = 1,679,546,948,639,455.25/38,557,940.20
  6. Step 6: Final answer
    x = 43,559,042.31

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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.