Home / 13,158,911.20-19,738,366.80-5,584,892.80

Finding the Fourth Proportional to 13,158,911.20, 19,738,366.80 and 5,584,892.80

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Solution

The fourth proportional to 13,158,911.20, 19,738,366.80 and 5,584,892.80 is: 8,377,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,911.20 : 19,738,366.80 = 5,584,892.80 : x
  2. Step 2: Convert to fraction form
    13,158,911.20/19,738,366.80 = 5,584,892.80/x
  3. Step 3: Cross multiply
    13,158,911.20x = 19,738,366.80 × 5,584,892.80
  4. Step 4: Simplify right side
    13,158,911.20x = 110,236,662,625,079.05
  5. Step 5: Solve for x
    x = 110,236,662,625,079.05/13,158,911.20
  6. Step 6: Final answer
    x = 8,377,339.20

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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.