Home / 12,950,470.20-19,425,705.30-9,168,223.80

Finding the Fourth Proportional to 12,950,470.20, 19,425,705.30 and 9,168,223.80

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Solution

The fourth proportional to 12,950,470.20, 19,425,705.30 and 9,168,223.80 is: 13,752,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,470.20 : 19,425,705.30 = 9,168,223.80 : x
  2. Step 2: Convert to fraction form
    12,950,470.20/19,425,705.30 = 9,168,223.80/x
  3. Step 3: Cross multiply
    12,950,470.20x = 19,425,705.30 × 9,168,223.80
  4. Step 4: Simplify right side
    12,950,470.20x = 178,099,213,663,246.16
  5. Step 5: Solve for x
    x = 178,099,213,663,246.16/12,950,470.20
  6. Step 6: Final answer
    x = 13,752,335.70

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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.