Home / 28,420,493.77-42,612,410.80-11,150,440.03

Finding the Fourth Proportional to 28,420,493.77, 42,612,410.80 and 11,150,440.03

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Solution

The fourth proportional to 28,420,493.77, 42,612,410.80 and 11,150,440.03 is: 16,718,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,493.77 : 42,612,410.80 = 11,150,440.03 : x
  2. Step 2: Convert to fraction form
    28,420,493.77/42,612,410.80 = 11,150,440.03/x
  3. Step 3: Cross multiply
    28,420,493.77x = 42,612,410.80 × 11,150,440.03
  4. Step 4: Simplify right side
    28,420,493.77x = 475,147,131,159,124.25
  5. Step 5: Solve for x
    x = 475,147,131,159,124.25/28,420,493.77
  6. Step 6: Final answer
    x = 16,718,468.55

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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.