Home / 21,974,469.80-32,961,704.70-18,727,212.20

Finding the Fourth Proportional to 21,974,469.80, 32,961,704.70 and 18,727,212.20

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Solution

The fourth proportional to 21,974,469.80, 32,961,704.70 and 18,727,212.20 is: 28,090,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974,469.80 : 32,961,704.70 = 18,727,212.20 : x
  2. Step 2: Convert to fraction form
    21,974,469.80/32,961,704.70 = 18,727,212.20/x
  3. Step 3: Cross multiply
    21,974,469.80x = 32,961,704.70 × 18,727,212.20
  4. Step 4: Simplify right side
    21,974,469.80x = 617,280,838,390,637.25
  5. Step 5: Solve for x
    x = 617,280,838,390,637.25/21,974,469.80
  6. Step 6: Final answer
    x = 28,090,818.30

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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.