Home / 13,305,629.20-19,950,570.60-6,928,337.20

Finding the Fourth Proportional to 13,305,629.20, 19,950,570.60 and 6,928,337.20

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Solution

The fourth proportional to 13,305,629.20, 19,950,570.60 and 6,928,337.20 is: 10,388,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,629.20 : 19,950,570.60 = 6,928,337.20 : x
  2. Step 2: Convert to fraction form
    13,305,629.20/19,950,570.60 = 6,928,337.20/x
  3. Step 3: Cross multiply
    13,305,629.20x = 19,950,570.60 × 6,928,337.20
  4. Step 4: Simplify right side
    13,305,629.20x = 138,224,280,449,206.33
  5. Step 5: Solve for x
    x = 138,224,280,449,206.33/13,305,629.20
  6. Step 6: Final answer
    x = 10,388,406.17

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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.