Home / 20,040,605.40-30,060,908.10-8,703,197.40

Finding the Fourth Proportional to 20,040,605.40, 30,060,908.10 and 8,703,197.40

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Solution

The fourth proportional to 20,040,605.40, 30,060,908.10 and 8,703,197.40 is: 13,054,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040,605.40 : 30,060,908.10 = 8,703,197.40 : x
  2. Step 2: Convert to fraction form
    20,040,605.40/30,060,908.10 = 8,703,197.40/x
  3. Step 3: Cross multiply
    20,040,605.40x = 30,060,908.10 × 8,703,197.40
  4. Step 4: Simplify right side
    20,040,605.40x = 261,626,017,217,558.97
  5. Step 5: Solve for x
    x = 261,626,017,217,558.97/20,040,605.40
  6. Step 6: Final answer
    x = 13,054,796.10

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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.