Home / 8,102,628.16-12,162,506.24-7,919,658.28

Finding the Fourth Proportional to 8,102,628.16, 12,162,506.24 and 7,919,658.28

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Solution

The fourth proportional to 8,102,628.16, 12,162,506.24 and 7,919,658.28 is: 11,887,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,628.16 : 12,162,506.24 = 7,919,658.28 : x
  2. Step 2: Convert to fraction form
    8,102,628.16/12,162,506.24 = 7,919,658.28/x
  3. Step 3: Cross multiply
    8,102,628.16x = 12,162,506.24 × 7,919,658.28
  4. Step 4: Simplify right side
    8,102,628.16x = 96,322,893,249,167.67
  5. Step 5: Solve for x
    x = 96,322,893,249,167.67/8,102,628.16
  6. Step 6: Final answer
    x = 11,887,858.03

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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.