Home / 28,009,767.52-42,014,729.40-10,743,261.04

Finding the Fourth Proportional to 28,009,767.52, 42,014,729.40 and 10,743,261.04

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Solution

The fourth proportional to 28,009,767.52, 42,014,729.40 and 10,743,261.04 is: 16,114,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009,767.52 : 42,014,729.40 = 10,743,261.04 : x
  2. Step 2: Convert to fraction form
    28,009,767.52/42,014,729.40 = 10,743,261.04/x
  3. Step 3: Cross multiply
    28,009,767.52x = 42,014,729.40 × 10,743,261.04
  4. Step 4: Simplify right side
    28,009,767.52x = 451,375,205,469,162.50
  5. Step 5: Solve for x
    x = 451,375,205,469,162.50/28,009,767.52
  6. Step 6: Final answer
    x = 16,114,921.52

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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.