Home / 10,968,416.56-15,136,309.65-6,320,494

Finding the Fourth Proportional to 10,968,416.56, 15,136,309.65 and 6,320,494

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Solution

The fourth proportional to 10,968,416.56, 15,136,309.65 and 6,320,494 is: 8,722,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968,416.56 : 15,136,309.65 = 6,320,494 : x
  2. Step 2: Convert to fraction form
    10,968,416.56/15,136,309.65 = 6,320,494/x
  3. Step 3: Cross multiply
    10,968,416.56x = 15,136,309.65 × 6,320,494
  4. Step 4: Simplify right side
    10,968,416.56x = 95,668,954,324,967.11
  5. Step 5: Solve for x
    x = 95,668,954,324,967.11/10,968,416.56
  6. Step 6: Final answer
    x = 8,722,221.10

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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.