Home / 11,286,004.20-16,929,006.30-7,884,781.80

Finding the Fourth Proportional to 11,286,004.20, 16,929,006.30 and 7,884,781.80

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Solution

The fourth proportional to 11,286,004.20, 16,929,006.30 and 7,884,781.80 is: 11,827,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,004.20 : 16,929,006.30 = 7,884,781.80 : x
  2. Step 2: Convert to fraction form
    11,286,004.20/16,929,006.30 = 7,884,781.80/x
  3. Step 3: Cross multiply
    11,286,004.20x = 16,929,006.30 × 7,884,781.80
  4. Step 4: Simplify right side
    11,286,004.20x = 133,481,520,766,325.34
  5. Step 5: Solve for x
    x = 133,481,520,766,325.34/11,286,004.20
  6. Step 6: Final answer
    x = 11,827,172.70

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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.