Home / 38,696,244.56-53,399,216.40-21,055,219.76

Finding the Fourth Proportional to 38,696,244.56, 53,399,216.40 and 21,055,219.76

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Solution

The fourth proportional to 38,696,244.56, 53,399,216.40 and 21,055,219.76 is: 29,055,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,244.56 : 53,399,216.40 = 21,055,219.76 : x
  2. Step 2: Convert to fraction form
    38,696,244.56/53,399,216.40 = 21,055,219.76/x
  3. Step 3: Cross multiply
    38,696,244.56x = 53,399,216.40 × 21,055,219.76
  4. Step 4: Simplify right side
    38,696,244.56x = 1,124,332,236,313,796.12
  5. Step 5: Solve for x
    x = 1,124,332,236,313,796.12/38,696,244.56
  6. Step 6: Final answer
    x = 29,055,332.09

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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.