Home / 15,028,185.87-20,738,890.56-8,152,667.91

Finding the Fourth Proportional to 15,028,185.87, 20,738,890.56 and 8,152,667.91

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Solution

The fourth proportional to 15,028,185.87, 20,738,890.56 and 8,152,667.91 is: 11,250,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,185.87 : 20,738,890.56 = 8,152,667.91 : x
  2. Step 2: Convert to fraction form
    15,028,185.87/20,738,890.56 = 8,152,667.91/x
  3. Step 3: Cross multiply
    15,028,185.87x = 20,738,890.56 × 8,152,667.91
  4. Step 4: Simplify right side
    15,028,185.87x = 169,077,287,557,513.91
  5. Step 5: Solve for x
    x = 169,077,287,557,513.91/15,028,185.87
  6. Step 6: Final answer
    x = 11,250,678.49

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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.