Home / 15,667,744.81-21,621,566.09-9,790,791.55

Finding the Fourth Proportional to 15,667,744.81, 21,621,566.09 and 9,790,791.55

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Solution

The fourth proportional to 15,667,744.81, 21,621,566.09 and 9,790,791.55 is: 13,511,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667,744.81 : 21,621,566.09 = 9,790,791.55 : x
  2. Step 2: Convert to fraction form
    15,667,744.81/21,621,566.09 = 9,790,791.55/x
  3. Step 3: Cross multiply
    15,667,744.81x = 21,621,566.09 × 9,790,791.55
  4. Step 4: Simplify right side
    15,667,744.81x = 211,692,246,663,782.91
  5. Step 5: Solve for x
    x = 211,692,246,663,782.91/15,667,744.81
  6. Step 6: Final answer
    x = 13,511,341.25

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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.