Home / 19,792,274.40-29,689,195.68-9,415,000.80

Finding the Fourth Proportional to 19,792,274.40, 29,689,195.68 and 9,415,000.80

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Solution

The fourth proportional to 19,792,274.40, 29,689,195.68 and 9,415,000.80 is: 14,122,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792,274.40 : 29,689,195.68 = 9,415,000.80 : x
  2. Step 2: Convert to fraction form
    19,792,274.40/29,689,195.68 = 9,415,000.80/x
  3. Step 3: Cross multiply
    19,792,274.40x = 29,689,195.68 × 9,415,000.80
  4. Step 4: Simplify right side
    19,792,274.40x = 279,523,801,078,556.56
  5. Step 5: Solve for x
    x = 279,523,801,078,556.56/19,792,274.40
  6. Step 6: Final answer
    x = 14,122,874.18

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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.