Home / 10,077,286.40-15,115,929.60-5,526,576.80

Finding the Fourth Proportional to 10,077,286.40, 15,115,929.60 and 5,526,576.80

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Solution

The fourth proportional to 10,077,286.40, 15,115,929.60 and 5,526,576.80 is: 8,289,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,286.40 : 15,115,929.60 = 5,526,576.80 : x
  2. Step 2: Convert to fraction form
    10,077,286.40/15,115,929.60 = 5,526,576.80/x
  3. Step 3: Cross multiply
    10,077,286.40x = 15,115,929.60 × 5,526,576.80
  4. Step 4: Simplify right side
    10,077,286.40x = 83,539,345,837,793.28
  5. Step 5: Solve for x
    x = 83,539,345,837,793.28/10,077,286.40
  6. Step 6: Final answer
    x = 8,289,865.20

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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.