Home / 39,228,700.86-54,136,105.16-21,589,634.33

Finding the Fourth Proportional to 39,228,700.86, 54,136,105.16 and 21,589,634.33

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Solution

The fourth proportional to 39,228,700.86, 54,136,105.16 and 21,589,634.33 is: 29,793,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228,700.86 : 54,136,105.16 = 21,589,634.33 : x
  2. Step 2: Convert to fraction form
    39,228,700.86/54,136,105.16 = 21,589,634.33/x
  3. Step 3: Cross multiply
    39,228,700.86x = 54,136,105.16 × 21,589,634.33
  4. Step 4: Simplify right side
    39,228,700.86x = 1,168,778,714,454,826
  5. Step 5: Solve for x
    x = 1,168,778,714,454,826/39,228,700.86
  6. Step 6: Final answer
    x = 29,793,969.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.