Home / 20,185,754.67-30,267,992.01-8,812,917.27

Finding the Fourth Proportional to 20,185,754.67, 30,267,992.01 and 8,812,917.27

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Solution

The fourth proportional to 20,185,754.67, 30,267,992.01 and 8,812,917.27 is: 13,214,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,754.67 : 30,267,992.01 = 8,812,917.27 : x
  2. Step 2: Convert to fraction form
    20,185,754.67/30,267,992.01 = 8,812,917.27/x
  3. Step 3: Cross multiply
    20,185,754.67x = 30,267,992.01 × 8,812,917.27
  4. Step 4: Simplify right side
    20,185,754.67x = 266,749,309,513,151
  5. Step 5: Solve for x
    x = 266,749,309,513,151/20,185,754.67
  6. Step 6: Final answer
    x = 13,214,730.58

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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.