Home / 38,238,863.29-52,769,638.89-20,835,208.46

Finding the Fourth Proportional to 38,238,863.29, 52,769,638.89 and 20,835,208.46

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Solution

The fourth proportional to 38,238,863.29, 52,769,638.89 and 20,835,208.46 is: 28,752,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,863.29 : 52,769,638.89 = 20,835,208.46 : x
  2. Step 2: Convert to fraction form
    38,238,863.29/52,769,638.89 = 20,835,208.46/x
  3. Step 3: Cross multiply
    38,238,863.29x = 52,769,638.89 × 20,835,208.46
  4. Step 4: Simplify right side
    38,238,863.29x = 1,099,466,426,763,997
  5. Step 5: Solve for x
    x = 1,099,466,426,763,997/38,238,863.29
  6. Step 6: Final answer
    x = 28,752,591.79

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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.