Home / 38,238,859.35-52,769,633.46-20,835,204.51

Finding the Fourth Proportional to 38,238,859.35, 52,769,633.46 and 20,835,204.51

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Solution

The fourth proportional to 38,238,859.35, 52,769,633.46 and 20,835,204.51 is: 28,752,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,859.35 : 52,769,633.46 = 20,835,204.51 : x
  2. Step 2: Convert to fraction form
    38,238,859.35/52,769,633.46 = 20,835,204.51/x
  3. Step 3: Cross multiply
    38,238,859.35x = 52,769,633.46 × 20,835,204.51
  4. Step 4: Simplify right side
    38,238,859.35x = 1,099,466,105,176,593
  5. Step 5: Solve for x
    x = 1,099,466,105,176,593/38,238,859.35
  6. Step 6: Final answer
    x = 28,752,586.34

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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.