Home / 39,202,778.39-54,097,612.07-21,798,749.93

Finding the Fourth Proportional to 39,202,778.39, 54,097,612.07 and 21,798,749.93

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Solution

The fourth proportional to 39,202,778.39, 54,097,612.07 and 21,798,749.93 is: 30,081,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202,778.39 : 54,097,612.07 = 21,798,749.93 : x
  2. Step 2: Convert to fraction form
    39,202,778.39/54,097,612.07 = 21,798,749.93/x
  3. Step 3: Cross multiply
    39,202,778.39x = 54,097,612.07 × 21,798,749.93
  4. Step 4: Simplify right side
    39,202,778.39x = 1,179,260,316,944,597.75
  5. Step 5: Solve for x
    x = 1,179,260,316,944,597.75/39,202,778.39
  6. Step 6: Final answer
    x = 30,081,039.29

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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.