Home / 38,763,127.39-53,494,256.85-21,360,593.62

Finding the Fourth Proportional to 38,763,127.39, 53,494,256.85 and 21,360,593.62

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Solution

The fourth proportional to 38,763,127.39, 53,494,256.85 and 21,360,593.62 is: 29,478,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,127.39 : 53,494,256.85 = 21,360,593.62 : x
  2. Step 2: Convert to fraction form
    38,763,127.39/53,494,256.85 = 21,360,593.62/x
  3. Step 3: Cross multiply
    38,763,127.39x = 53,494,256.85 × 21,360,593.62
  4. Step 4: Simplify right side
    38,763,127.39x = 1,142,669,081,322,699.25
  5. Step 5: Solve for x
    x = 1,142,669,081,322,699.25/38,763,127.39
  6. Step 6: Final answer
    x = 29,478,247.97

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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.