Home / 13,309,832.80-19,964,749.20-7,263,215.20

Finding the Fourth Proportional to 13,309,832.80, 19,964,749.20 and 7,263,215.20

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Solution

The fourth proportional to 13,309,832.80, 19,964,749.20 and 7,263,215.20 is: 10,894,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,832.80 : 19,964,749.20 = 7,263,215.20 : x
  2. Step 2: Convert to fraction form
    13,309,832.80/19,964,749.20 = 7,263,215.20/x
  3. Step 3: Cross multiply
    13,309,832.80x = 19,964,749.20 × 7,263,215.20
  4. Step 4: Simplify right side
    13,309,832.80x = 145,008,269,853,627.84
  5. Step 5: Solve for x
    x = 145,008,269,853,627.84/13,309,832.80
  6. Step 6: Final answer
    x = 10,894,822.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.