Home / 20,796,120.33-31,197,017.90-8,662,746.22

Finding the Fourth Proportional to 20,796,120.33, 31,197,017.90 and 8,662,746.22

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Solution

The fourth proportional to 20,796,120.33, 31,197,017.90 and 8,662,746.22 is: 12,995,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796,120.33 : 31,197,017.90 = 8,662,746.22 : x
  2. Step 2: Convert to fraction form
    20,796,120.33/31,197,017.90 = 8,662,746.22/x
  3. Step 3: Cross multiply
    20,796,120.33x = 31,197,017.90 × 8,662,746.22
  4. Step 4: Simplify right side
    20,796,120.33x = 270,251,848,888,497.34
  5. Step 5: Solve for x
    x = 270,251,848,888,497.34/20,796,120.33
  6. Step 6: Final answer
    x = 12,995,301.27

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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.