Home / 12,481,504.60-18,690,764.10-9,962,080.60

Finding the Fourth Proportional to 12,481,504.60, 18,690,764.10 and 9,962,080.60

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Solution

The fourth proportional to 12,481,504.60, 18,690,764.10 and 9,962,080.60 is: 14,917,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,504.60 : 18,690,764.10 = 9,962,080.60 : x
  2. Step 2: Convert to fraction form
    12,481,504.60/18,690,764.10 = 9,962,080.60/x
  3. Step 3: Cross multiply
    12,481,504.60x = 18,690,764.10 × 9,962,080.60
  4. Step 4: Simplify right side
    12,481,504.60x = 186,198,898,439,786.47
  5. Step 5: Solve for x
    x = 186,198,898,439,786.47/12,481,504.60
  6. Step 6: Final answer
    x = 14,917,985.00

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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.