Home / 38,660,447.64-53,349,982.92-21,255,757.32

Finding the Fourth Proportional to 38,660,447.64, 53,349,982.92 and 21,255,757.32

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Solution

The fourth proportional to 38,660,447.64, 53,349,982.92 and 21,255,757.32 is: 29,332,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660,447.64 : 53,349,982.92 = 21,255,757.32 : x
  2. Step 2: Convert to fraction form
    38,660,447.64/53,349,982.92 = 21,255,757.32/x
  3. Step 3: Cross multiply
    38,660,447.64x = 53,349,982.92 × 21,255,757.32
  4. Step 4: Simplify right side
    38,660,447.64x = 1,133,994,289,973,665
  5. Step 5: Solve for x
    x = 1,133,994,289,973,665/38,660,447.64
  6. Step 6: Final answer
    x = 29,332,156.23

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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.