Home / 13,356,042.25-20,028,956.38-7,287,530.39

Finding the Fourth Proportional to 13,356,042.25, 20,028,956.38 and 7,287,530.39

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Solution

The fourth proportional to 13,356,042.25, 20,028,956.38 and 7,287,530.39 is: 10,928,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,042.25 : 20,028,956.38 = 7,287,530.39 : x
  2. Step 2: Convert to fraction form
    13,356,042.25/20,028,956.38 = 7,287,530.39/x
  3. Step 3: Cross multiply
    13,356,042.25x = 20,028,956.38 × 7,287,530.39
  4. Step 4: Simplify right side
    13,356,042.25x = 145,961,628,299,234.38
  5. Step 5: Solve for x
    x = 145,961,628,299,234.38/13,356,042.25
  6. Step 6: Final answer
    x = 10,928,509.03

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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.