Home / 19,408,022.30-29,112,033.45-12,227,663.90

Finding the Fourth Proportional to 19,408,022.30, 29,112,033.45 and 12,227,663.90

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Solution

The fourth proportional to 19,408,022.30, 29,112,033.45 and 12,227,663.90 is: 18,341,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,022.30 : 29,112,033.45 = 12,227,663.90 : x
  2. Step 2: Convert to fraction form
    19,408,022.30/29,112,033.45 = 12,227,663.90/x
  3. Step 3: Cross multiply
    19,408,022.30x = 29,112,033.45 × 12,227,663.90
  4. Step 4: Simplify right side
    19,408,022.30x = 355,972,160,472,157.44
  5. Step 5: Solve for x
    x = 355,972,160,472,157.44/19,408,022.30
  6. Step 6: Final answer
    x = 18,341,495.85

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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.