Home / 21,203,524.67-31,801,500.88-5,641,442.60

Finding the Fourth Proportional to 21,203,524.67, 31,801,500.88 and 5,641,442.60

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Solution

The fourth proportional to 21,203,524.67, 31,801,500.88 and 5,641,442.60 is: 8,461,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203,524.67 : 31,801,500.88 = 5,641,442.60 : x
  2. Step 2: Convert to fraction form
    21,203,524.67/31,801,500.88 = 5,641,442.60/x
  3. Step 3: Cross multiply
    21,203,524.67x = 31,801,500.88 × 5,641,442.60
  4. Step 4: Simplify right side
    21,203,524.67x = 179,406,341,635,258.38
  5. Step 5: Solve for x
    x = 179,406,341,635,258.38/21,203,524.67
  6. Step 6: Final answer
    x = 8,461,156.55

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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.