Home / 18,703,269.80-28,040,907.90-10,193,215.40

Finding the Fourth Proportional to 18,703,269.80, 28,040,907.90 and 10,193,215.40

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Solution

The fourth proportional to 18,703,269.80, 28,040,907.90 and 10,193,215.40 is: 15,282,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,269.80 : 28,040,907.90 = 10,193,215.40 : x
  2. Step 2: Convert to fraction form
    18,703,269.80/28,040,907.90 = 10,193,215.40/x
  3. Step 3: Cross multiply
    18,703,269.80x = 28,040,907.90 × 10,193,215.40
  4. Step 4: Simplify right side
    18,703,269.80x = 285,827,014,236,261.62
  5. Step 5: Solve for x
    x = 285,827,014,236,261.62/18,703,269.80
  6. Step 6: Final answer
    x = 15,282,194.89

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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.