Home / 21,984,108.90-32,976,163.35-18,724,604.10

Finding the Fourth Proportional to 21,984,108.90, 32,976,163.35 and 18,724,604.10

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Solution

The fourth proportional to 21,984,108.90, 32,976,163.35 and 18,724,604.10 is: 28,086,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,108.90 : 32,976,163.35 = 18,724,604.10 : x
  2. Step 2: Convert to fraction form
    21,984,108.90/32,976,163.35 = 18,724,604.10/x
  3. Step 3: Cross multiply
    21,984,108.90x = 32,976,163.35 × 18,724,604.10
  4. Step 4: Simplify right side
    21,984,108.90x = 617,465,603,465,679.75
  5. Step 5: Solve for x
    x = 617,465,603,465,679.75/21,984,108.90
  6. Step 6: Final answer
    x = 28,086,906.15

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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.