Home / 13,002,838.05-19,505,167.17-5,221,751.22

Finding the Fourth Proportional to 13,002,838.05, 19,505,167.17 and 5,221,751.22

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Solution

The fourth proportional to 13,002,838.05, 19,505,167.17 and 5,221,751.22 is: 7,832,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,838.05 : 19,505,167.17 = 5,221,751.22 : x
  2. Step 2: Convert to fraction form
    13,002,838.05/19,505,167.17 = 5,221,751.22/x
  3. Step 3: Cross multiply
    13,002,838.05x = 19,505,167.17 × 5,221,751.22
  4. Step 4: Simplify right side
    13,002,838.05x = 101,851,130,474,698.30
  5. Step 5: Solve for x
    x = 101,851,130,474,698.30/13,002,838.05
  6. Step 6: Final answer
    x = 7,832,992.31

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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.