Home / 20,851,645.58-28,773,819.30-11,559,126.32

Finding the Fourth Proportional to 20,851,645.58, 28,773,819.30 and 11,559,126.32

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Solution

The fourth proportional to 20,851,645.58, 28,773,819.30 and 11,559,126.32 is: 15,950,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,645.58 : 28,773,819.30 = 11,559,126.32 : x
  2. Step 2: Convert to fraction form
    20,851,645.58/28,773,819.30 = 11,559,126.32/x
  3. Step 3: Cross multiply
    20,851,645.58x = 28,773,819.30 × 11,559,126.32
  4. Step 4: Simplify right side
    20,851,645.58x = 332,600,211,997,554
  5. Step 5: Solve for x
    x = 332,600,211,997,554/20,851,645.58
  6. Step 6: Final answer
    x = 15,950,789.63

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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.