Home / 38,238,845.40-52,769,614.28-20,835,190.62

Finding the Fourth Proportional to 38,238,845.40, 52,769,614.28 and 20,835,190.62

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Solution

The fourth proportional to 38,238,845.40, 52,769,614.28 and 20,835,190.62 is: 28,752,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,845.40 : 52,769,614.28 = 20,835,190.62 : x
  2. Step 2: Convert to fraction form
    38,238,845.40/52,769,614.28 = 20,835,190.62/x
  3. Step 3: Cross multiply
    38,238,845.40x = 52,769,614.28 × 20,835,190.62
  4. Step 4: Simplify right side
    38,238,845.40x = 1,099,464,972,363,498.12
  5. Step 5: Solve for x
    x = 1,099,464,972,363,498.12/38,238,845.40
  6. Step 6: Final answer
    x = 28,752,567.21

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1.5x scale

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.