Home / 20,776,560.20-31,164,840.30-9,262,005.20

Finding the Fourth Proportional to 20,776,560.20, 31,164,840.30 and 9,262,005.20

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Solution

The fourth proportional to 20,776,560.20, 31,164,840.30 and 9,262,005.20 is: 13,893,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,560.20 : 31,164,840.30 = 9,262,005.20 : x
  2. Step 2: Convert to fraction form
    20,776,560.20/31,164,840.30 = 9,262,005.20/x
  3. Step 3: Cross multiply
    20,776,560.20x = 31,164,840.30 × 9,262,005.20
  4. Step 4: Simplify right side
    20,776,560.20x = 288,648,912,915,769.56
  5. Step 5: Solve for x
    x = 288,648,912,915,769.56/20,776,560.20
  6. Step 6: Final answer
    x = 13,893,007.80

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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.