Home / 21,863,539.80-32,795,309.70-7,680,115.80

Finding the Fourth Proportional to 21,863,539.80, 32,795,309.70 and 7,680,115.80

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Solution

The fourth proportional to 21,863,539.80, 32,795,309.70 and 7,680,115.80 is: 11,520,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,539.80 : 32,795,309.70 = 7,680,115.80 : x
  2. Step 2: Convert to fraction form
    21,863,539.80/32,795,309.70 = 7,680,115.80/x
  3. Step 3: Cross multiply
    21,863,539.80x = 32,795,309.70 × 7,680,115.80
  4. Step 4: Simplify right side
    21,863,539.80x = 251,871,776,192,863.25
  5. Step 5: Solve for x
    x = 251,871,776,192,863.25/21,863,539.80
  6. Step 6: Final answer
    x = 11,520,173.70

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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.