Home / 10,863,102.72-16,273,133.52-7,442,984.64

Finding the Fourth Proportional to 10,863,102.72, 16,273,133.52 and 7,442,984.64

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Solution

The fourth proportional to 10,863,102.72, 16,273,133.52 and 7,442,984.64 is: 11,149,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,102.72 : 16,273,133.52 = 7,442,984.64 : x
  2. Step 2: Convert to fraction form
    10,863,102.72/16,273,133.52 = 7,442,984.64/x
  3. Step 3: Cross multiply
    10,863,102.72x = 16,273,133.52 × 7,442,984.64
  4. Step 4: Simplify right side
    10,863,102.72x = 121,120,682,834,029.12
  5. Step 5: Solve for x
    x = 121,120,682,834,029.12/10,863,102.72
  6. Step 6: Final answer
    x = 11,149,731.89

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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.