Home / 52,145,412.72-71,957,317.32-28,940,555.40

Finding the Fourth Proportional to 52,145,412.72, 71,957,317.32 and 28,940,555.40

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Solution

The fourth proportional to 52,145,412.72, 71,957,317.32 and 28,940,555.40 is: 39,936,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145,412.72 : 71,957,317.32 = 28,940,555.40 : x
  2. Step 2: Convert to fraction form
    52,145,412.72/71,957,317.32 = 28,940,555.40/x
  3. Step 3: Cross multiply
    52,145,412.72x = 71,957,317.32 × 28,940,555.40
  4. Step 4: Simplify right side
    52,145,412.72x = 2,082,484,728,334,839.25
  5. Step 5: Solve for x
    x = 2,082,484,728,334,839.25/52,145,412.72
  6. Step 6: Final answer
    x = 39,936,105.97

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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.