Home / 8,668,769.72-11,970,943.56-6,489,529.52

Finding the Fourth Proportional to 8,668,769.72, 11,970,943.56 and 6,489,529.52

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Solution

The fourth proportional to 8,668,769.72, 11,970,943.56 and 6,489,529.52 is: 8,961,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,769.72 : 11,970,943.56 = 6,489,529.52 : x
  2. Step 2: Convert to fraction form
    8,668,769.72/11,970,943.56 = 6,489,529.52/x
  3. Step 3: Cross multiply
    8,668,769.72x = 11,970,943.56 × 6,489,529.52
  4. Step 4: Simplify right side
    8,668,769.72x = 77,685,791,614,873.89
  5. Step 5: Solve for x
    x = 77,685,791,614,873.89/8,668,769.72
  6. Step 6: Final answer
    x = 8,961,570.57

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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.