Home / 13,208,891.20-19,789,717.20-11,319,323.20

Finding the Fourth Proportional to 13,208,891.20, 19,789,717.20 and 11,319,323.20

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Solution

The fourth proportional to 13,208,891.20, 19,789,717.20 and 11,319,323.20 is: 16,958,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,891.20 : 19,789,717.20 = 11,319,323.20 : x
  2. Step 2: Convert to fraction form
    13,208,891.20/19,789,717.20 = 11,319,323.20/x
  3. Step 3: Cross multiply
    13,208,891.20x = 19,789,717.20 × 11,319,323.20
  4. Step 4: Simplify right side
    13,208,891.20x = 224,006,205,023,399.03
  5. Step 5: Solve for x
    x = 224,006,205,023,399.03/13,208,891.20
  6. Step 6: Final answer
    x = 16,958,744.05

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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.