Home / 19,320,700.20-29,006,375.10-12,959,413.80

Finding the Fourth Proportional to 19,320,700.20, 29,006,375.10 and 12,959,413.80

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Solution

The fourth proportional to 19,320,700.20, 29,006,375.10 and 12,959,413.80 is: 19,456,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,700.20 : 29,006,375.10 = 12,959,413.80 : x
  2. Step 2: Convert to fraction form
    19,320,700.20/29,006,375.10 = 12,959,413.80/x
  3. Step 3: Cross multiply
    19,320,700.20x = 29,006,375.10 × 12,959,413.80
  4. Step 4: Simplify right side
    19,320,700.20x = 375,905,617,758,916.44
  5. Step 5: Solve for x
    x = 375,905,617,758,916.44/19,320,700.20
  6. Step 6: Final answer
    x = 19,456,107.38

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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.