Home / 20,280,843.77-30,400,008.01-7,493,192.33

Finding the Fourth Proportional to 20,280,843.77, 30,400,008.01 and 7,493,192.33

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Solution

The fourth proportional to 20,280,843.77, 30,400,008.01 and 7,493,192.33 is: 11,231,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,843.77 : 30,400,008.01 = 7,493,192.33 : x
  2. Step 2: Convert to fraction form
    20,280,843.77/30,400,008.01 = 7,493,192.33/x
  3. Step 3: Cross multiply
    20,280,843.77x = 30,400,008.01 × 7,493,192.33
  4. Step 4: Simplify right side
    20,280,843.77x = 227,793,106,681,737.56
  5. Step 5: Solve for x
    x = 227,793,106,681,737.56/20,280,843.77
  6. Step 6: Final answer
    x = 11,231,934.40

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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.