Home / 13,251,637.20-19,877,455.80-11,976,178.80

Finding the Fourth Proportional to 13,251,637.20, 19,877,455.80 and 11,976,178.80

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Solution

The fourth proportional to 13,251,637.20, 19,877,455.80 and 11,976,178.80 is: 17,964,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,637.20 : 19,877,455.80 = 11,976,178.80 : x
  2. Step 2: Convert to fraction form
    13,251,637.20/19,877,455.80 = 11,976,178.80/x
  3. Step 3: Cross multiply
    13,251,637.20x = 19,877,455.80 × 11,976,178.80
  4. Step 4: Simplify right side
    13,251,637.20x = 238,055,964,749,897.06
  5. Step 5: Solve for x
    x = 238,055,964,749,897.06/13,251,637.20
  6. Step 6: Final answer
    x = 17,964,268.20

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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.