Home / 20,774,844.70-31,162,267.05-20,476,246.30

Finding the Fourth Proportional to 20,774,844.70, 31,162,267.05 and 20,476,246.30

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Solution

The fourth proportional to 20,774,844.70, 31,162,267.05 and 20,476,246.30 is: 30,714,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,844.70 : 31,162,267.05 = 20,476,246.30 : x
  2. Step 2: Convert to fraction form
    20,774,844.70/31,162,267.05 = 20,476,246.30/x
  3. Step 3: Cross multiply
    20,774,844.70x = 31,162,267.05 × 20,476,246.30
  4. Step 4: Simplify right side
    20,774,844.70x = 638,086,255,382,174.50
  5. Step 5: Solve for x
    x = 638,086,255,382,174.50/20,774,844.70
  6. Step 6: Final answer
    x = 30,714,369.45

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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.