Home / 13,213,390.28-19,820,048.36-3,628,777.73

Finding the Fourth Proportional to 13,213,390.28, 19,820,048.36 and 3,628,777.73

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Solution

The fourth proportional to 13,213,390.28, 19,820,048.36 and 3,628,777.73 is: 5,443,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,390.28 : 19,820,048.36 = 3,628,777.73 : x
  2. Step 2: Convert to fraction form
    13,213,390.28/19,820,048.36 = 3,628,777.73/x
  3. Step 3: Cross multiply
    13,213,390.28x = 19,820,048.36 × 3,628,777.73
  4. Step 4: Simplify right side
    13,213,390.28x = 71,922,549,979,046.89
  5. Step 5: Solve for x
    x = 71,922,549,979,046.89/13,213,390.28
  6. Step 6: Final answer
    x = 5,443,156.41

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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.