Home / 20,042,999.66-30,049,778.54-6,388,285.34

Finding the Fourth Proportional to 20,042,999.66, 30,049,778.54 and 6,388,285.34

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Solution

The fourth proportional to 20,042,999.66, 30,049,778.54 and 6,388,285.34 is: 9,577,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,999.66 : 30,049,778.54 = 6,388,285.34 : x
  2. Step 2: Convert to fraction form
    20,042,999.66/30,049,778.54 = 6,388,285.34/x
  3. Step 3: Cross multiply
    20,042,999.66x = 30,049,778.54 × 6,388,285.34
  4. Step 4: Simplify right side
    20,042,999.66x = 191,966,559,535,138.28
  5. Step 5: Solve for x
    x = 191,966,559,535,138.28/20,042,999.66
  6. Step 6: Final answer
    x = 9,577,736.01

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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.