Home / 15,109,771.24-20,845,564.38-9,298,463.92

Finding the Fourth Proportional to 15,109,771.24, 20,845,564.38 and 9,298,463.92

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Solution

The fourth proportional to 15,109,771.24, 20,845,564.38 and 9,298,463.92 is: 12,828,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109,771.24 : 20,845,564.38 = 9,298,463.92 : x
  2. Step 2: Convert to fraction form
    15,109,771.24/20,845,564.38 = 9,298,463.92/x
  3. Step 3: Cross multiply
    15,109,771.24x = 20,845,564.38 × 9,298,463.92
  4. Step 4: Simplify right side
    15,109,771.24x = 193,831,728,279,467.16
  5. Step 5: Solve for x
    x = 193,831,728,279,467.16/15,109,771.24
  6. Step 6: Final answer
    x = 12,828,237.12

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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.