Home / 28,530,666.72-39,376,033.40-15,976,502.17

Finding the Fourth Proportional to 28,530,666.72, 39,376,033.40 and 15,976,502.17

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Solution

The fourth proportional to 28,530,666.72, 39,376,033.40 and 15,976,502.17 is: 22,049,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,666.72 : 39,376,033.40 = 15,976,502.17 : x
  2. Step 2: Convert to fraction form
    28,530,666.72/39,376,033.40 = 15,976,502.17/x
  3. Step 3: Cross multiply
    28,530,666.72x = 39,376,033.40 × 15,976,502.17
  4. Step 4: Simplify right side
    28,530,666.72x = 629,091,283,002,593.75
  5. Step 5: Solve for x
    x = 629,091,283,002,593.75/28,530,666.72
  6. Step 6: Final answer
    x = 22,049,652.37

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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.