Home / 14,036,983.20-21,055,474.80-13,186,677.60

Finding the Fourth Proportional to 14,036,983.20, 21,055,474.80 and 13,186,677.60

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Solution

The fourth proportional to 14,036,983.20, 21,055,474.80 and 13,186,677.60 is: 19,780,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,983.20 : 21,055,474.80 = 13,186,677.60 : x
  2. Step 2: Convert to fraction form
    14,036,983.20/21,055,474.80 = 13,186,677.60/x
  3. Step 3: Cross multiply
    14,036,983.20x = 21,055,474.80 × 13,186,677.60
  4. Step 4: Simplify right side
    14,036,983.20x = 277,651,757,902,524.47
  5. Step 5: Solve for x
    x = 277,651,757,902,524.47/14,036,983.20
  6. Step 6: Final answer
    x = 19,780,016.40

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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.