Home / 15,903,778.44-21,946,637.97-9,719,171.94

Finding the Fourth Proportional to 15,903,778.44, 21,946,637.97 and 9,719,171.94

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Solution

The fourth proportional to 15,903,778.44, 21,946,637.97 and 9,719,171.94 is: 13,412,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903,778.44 : 21,946,637.97 = 9,719,171.94 : x
  2. Step 2: Convert to fraction form
    15,903,778.44/21,946,637.97 = 9,719,171.94/x
  3. Step 3: Cross multiply
    15,903,778.44x = 21,946,637.97 × 9,719,171.94
  4. Step 4: Simplify right side
    15,903,778.44x = 213,303,147,935,362.53
  5. Step 5: Solve for x
    x = 213,303,147,935,362.53/15,903,778.44
  6. Step 6: Final answer
    x = 13,412,105.10

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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.