Home / 39,202,781.37-54,097,616.22-21,798,752.93

Finding the Fourth Proportional to 39,202,781.37, 54,097,616.22 and 21,798,752.93

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Solution

The fourth proportional to 39,202,781.37, 54,097,616.22 and 21,798,752.93 is: 30,081,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202,781.37 : 54,097,616.22 = 21,798,752.93 : x
  2. Step 2: Convert to fraction form
    39,202,781.37/54,097,616.22 = 21,798,752.93/x
  3. Step 3: Cross multiply
    39,202,781.37x = 54,097,616.22 × 21,798,752.93
  4. Step 4: Simplify right side
    39,202,781.37x = 1,179,260,569,811,252.50
  5. Step 5: Solve for x
    x = 1,179,260,569,811,252.50/39,202,781.37
  6. Step 6: Final answer
    x = 30,081,043.45

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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.