Home / 13,251,645.20-19,877,467.80-11,976,186.80

Finding the Fourth Proportional to 13,251,645.20, 19,877,467.80 and 11,976,186.80

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Solution

The fourth proportional to 13,251,645.20, 19,877,467.80 and 11,976,186.80 is: 17,964,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,645.20 : 19,877,467.80 = 11,976,186.80 : x
  2. Step 2: Convert to fraction form
    13,251,645.20/19,877,467.80 = 11,976,186.80/x
  3. Step 3: Cross multiply
    13,251,645.20x = 19,877,467.80 × 11,976,186.80
  4. Step 4: Simplify right side
    13,251,645.20x = 238,056,267,483,785.06
  5. Step 5: Solve for x
    x = 238,056,267,483,785.06/13,251,645.20
  6. Step 6: Final answer
    x = 17,964,280.20

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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.