Home / 10,855,961.20-16,283,941.80-10,687,999.60

Finding the Fourth Proportional to 10,855,961.20, 16,283,941.80 and 10,687,999.60

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Solution

The fourth proportional to 10,855,961.20, 16,283,941.80 and 10,687,999.60 is: 16,031,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855,961.20 : 16,283,941.80 = 10,687,999.60 : x
  2. Step 2: Convert to fraction form
    10,855,961.20/16,283,941.80 = 10,687,999.60/x
  3. Step 3: Cross multiply
    10,855,961.20x = 16,283,941.80 × 10,687,999.60
  4. Step 4: Simplify right side
    10,855,961.20x = 174,042,763,444,823.28
  5. Step 5: Solve for x
    x = 174,042,763,444,823.28/10,855,961.20
  6. Step 6: Final answer
    x = 16,031,999.40

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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.