Home / 38,238,848.75-52,769,618.84-20,835,194.02

Finding the Fourth Proportional to 38,238,848.75, 52,769,618.84 and 20,835,194.02

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Solution

The fourth proportional to 38,238,848.75, 52,769,618.84 and 20,835,194.02 is: 28,752,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,848.75 : 52,769,618.84 = 20,835,194.02 : x
  2. Step 2: Convert to fraction form
    38,238,848.75/52,769,618.84 = 20,835,194.02/x
  3. Step 3: Cross multiply
    38,238,848.75x = 52,769,618.84 × 20,835,194.02
  4. Step 4: Simplify right side
    38,238,848.75x = 1,099,465,246,813,011.25
  5. Step 5: Solve for x
    x = 1,099,465,246,813,011.25/38,238,848.75
  6. Step 6: Final answer
    x = 28,752,571.87

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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.