Home / 12,647,079-17,455,333.41-7,214,571

Finding the Fourth Proportional to 12,647,079, 17,455,333.41 and 7,214,571

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Solution

The fourth proportional to 12,647,079, 17,455,333.41 and 7,214,571 is: 9,957,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,079 : 17,455,333.41 = 7,214,571 : x
  2. Step 2: Convert to fraction form
    12,647,079/17,455,333.41 = 7,214,571/x
  3. Step 3: Cross multiply
    12,647,079x = 17,455,333.41 × 7,214,571
  4. Step 4: Simplify right side
    12,647,079x = 125,932,742,215,117.11
  5. Step 5: Solve for x
    x = 125,932,742,215,117.11/12,647,079
  6. Step 6: Final answer
    x = 9,957,456.75

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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.