Home / 11,127,789.20-16,691,683.80-10,118,051.30

Finding the Fourth Proportional to 11,127,789.20, 16,691,683.80 and 10,118,051.30

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Solution

The fourth proportional to 11,127,789.20, 16,691,683.80 and 10,118,051.30 is: 15,177,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,789.20 : 16,691,683.80 = 10,118,051.30 : x
  2. Step 2: Convert to fraction form
    11,127,789.20/16,691,683.80 = 10,118,051.30/x
  3. Step 3: Cross multiply
    11,127,789.20x = 16,691,683.80 × 10,118,051.30
  4. Step 4: Simplify right side
    11,127,789.20x = 168,887,312,971,778.97
  5. Step 5: Solve for x
    x = 168,887,312,971,778.97/11,127,789.20
  6. Step 6: Final answer
    x = 15,177,076.95

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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.