Home / 20,653,035.62-28,501,218.05-11,485,678.37

Finding the Fourth Proportional to 20,653,035.62, 28,501,218.05 and 11,485,678.37

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Solution

The fourth proportional to 20,653,035.62, 28,501,218.05 and 11,485,678.37 is: 15,850,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,035.62 : 28,501,218.05 = 11,485,678.37 : x
  2. Step 2: Convert to fraction form
    20,653,035.62/28,501,218.05 = 11,485,678.37/x
  3. Step 3: Cross multiply
    20,653,035.62x = 28,501,218.05 × 11,485,678.37
  4. Step 4: Simplify right side
    20,653,035.62x = 327,355,823,475,604.12
  5. Step 5: Solve for x
    x = 327,355,823,475,604.12/20,653,035.62
  6. Step 6: Final answer
    x = 15,850,252.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.