Home / 28,294,023.12-42,436,770.70-18,129,910.31

Finding the Fourth Proportional to 28,294,023.12, 42,436,770.70 and 18,129,910.31

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Solution

The fourth proportional to 28,294,023.12, 42,436,770.70 and 18,129,910.31 is: 27,192,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,023.12 : 42,436,770.70 = 18,129,910.31 : x
  2. Step 2: Convert to fraction form
    28,294,023.12/42,436,770.70 = 18,129,910.31/x
  3. Step 3: Cross multiply
    28,294,023.12x = 42,436,770.70 × 18,129,910.31
  4. Step 4: Simplify right side
    28,294,023.12x = 769,374,846,637,035.88
  5. Step 5: Solve for x
    x = 769,374,846,637,035.88/28,294,023.12
  6. Step 6: Final answer
    x = 27,192,133.24

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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.