Home / 12,647,151-17,455,432.77-7,214,643

Finding the Fourth Proportional to 12,647,151, 17,455,432.77 and 7,214,643

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Solution

The fourth proportional to 12,647,151, 17,455,432.77 and 7,214,643 is: 9,957,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,151 : 17,455,432.77 = 7,214,643 : x
  2. Step 2: Convert to fraction form
    12,647,151/17,455,432.77 = 7,214,643/x
  3. Step 3: Cross multiply
    12,647,151x = 17,455,432.77 × 7,214,643
  4. Step 4: Simplify right side
    12,647,151x = 125,934,715,846,051.11
  5. Step 5: Solve for x
    x = 125,934,715,846,051.11/12,647,151
  6. Step 6: Final answer
    x = 9,957,556.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.