Home / 19,957,389.27-29,923,213.19-7,828,078.90

Finding the Fourth Proportional to 19,957,389.27, 29,923,213.19 and 7,828,078.90

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Solution

The fourth proportional to 19,957,389.27, 29,923,213.19 and 7,828,078.90 is: 11,737,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,389.27 : 29,923,213.19 = 7,828,078.90 : x
  2. Step 2: Convert to fraction form
    19,957,389.27/29,923,213.19 = 7,828,078.90/x
  3. Step 3: Cross multiply
    19,957,389.27x = 29,923,213.19 × 7,828,078.90
  4. Step 4: Simplify right side
    19,957,389.27x = 234,241,273,734,998.28
  5. Step 5: Solve for x
    x = 234,241,273,734,998.28/19,957,389.27
  6. Step 6: Final answer
    x = 11,737,069.94

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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.