Home / 19,476,178.56-29,195,281.32-8,119,874.88

Finding the Fourth Proportional to 19,476,178.56, 29,195,281.32 and 8,119,874.88

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Solution

The fourth proportional to 19,476,178.56, 29,195,281.32 and 8,119,874.88 is: 12,171,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,178.56 : 29,195,281.32 = 8,119,874.88 : x
  2. Step 2: Convert to fraction form
    19,476,178.56/29,195,281.32 = 8,119,874.88/x
  3. Step 3: Cross multiply
    19,476,178.56x = 29,195,281.32 × 8,119,874.88
  4. Step 4: Simplify right side
    19,476,178.56x = 237,062,031,404,801.25
  5. Step 5: Solve for x
    x = 237,062,031,404,801.25/19,476,178.56
  6. Step 6: Final answer
    x = 12,171,896.59

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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.