Home / 42,438,446.88-63,530,788.72-25,991,946.48

Finding the Fourth Proportional to 42,438,446.88, 63,530,788.72 and 25,991,946.48

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Solution

The fourth proportional to 42,438,446.88, 63,530,788.72 and 25,991,946.48 is: 38,910,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438,446.88 : 63,530,788.72 = 25,991,946.48 : x
  2. Step 2: Convert to fraction form
    42,438,446.88/63,530,788.72 = 25,991,946.48/x
  3. Step 3: Cross multiply
    42,438,446.88x = 63,530,788.72 × 25,991,946.48
  4. Step 4: Simplify right side
    42,438,446.88x = 1,651,288,860,242,427.75
  5. Step 5: Solve for x
    x = 1,651,288,860,242,427.75/42,438,446.88
  6. Step 6: Final answer
    x = 38,910,209.53

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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.