Home / 12,809,798.48-19,215,064.71-5,028,388.92

Finding the Fourth Proportional to 12,809,798.48, 19,215,064.71 and 5,028,388.92

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Solution

The fourth proportional to 12,809,798.48, 19,215,064.71 and 5,028,388.92 is: 7,542,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,798.48 : 19,215,064.71 = 5,028,388.92 : x
  2. Step 2: Convert to fraction form
    12,809,798.48/19,215,064.71 = 5,028,388.92/x
  3. Step 3: Cross multiply
    12,809,798.48x = 19,215,064.71 × 5,028,388.92
  4. Step 4: Simplify right side
    12,809,798.48x = 96,620,818,388,771.69
  5. Step 5: Solve for x
    x = 96,620,818,388,771.69/12,809,798.48
  6. Step 6: Final answer
    x = 7,542,727.43

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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.