Home / 15,196,136.96-20,970,674.08-8,321,054.56

Finding the Fourth Proportional to 15,196,136.96, 20,970,674.08 and 8,321,054.56

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Solution

The fourth proportional to 15,196,136.96, 20,970,674.08 and 8,321,054.56 is: 11,483,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,136.96 : 20,970,674.08 = 8,321,054.56 : x
  2. Step 2: Convert to fraction form
    15,196,136.96/20,970,674.08 = 8,321,054.56/x
  3. Step 3: Cross multiply
    15,196,136.96x = 20,970,674.08 × 8,321,054.56
  4. Step 4: Simplify right side
    15,196,136.96x = 174,498,123,179,657.78
  5. Step 5: Solve for x
    x = 174,498,123,179,657.78/15,196,136.96
  6. Step 6: Final answer
    x = 11,483,058.07

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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.