Home / 9,221,187-12,725,369.28-5,146,806

Finding the Fourth Proportional to 9,221,187, 12,725,369.28 and 5,146,806

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Solution

The fourth proportional to 9,221,187, 12,725,369.28 and 5,146,806 is: 7,102,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,187 : 12,725,369.28 = 5,146,806 : x
  2. Step 2: Convert to fraction form
    9,221,187/12,725,369.28 = 5,146,806/x
  3. Step 3: Cross multiply
    9,221,187x = 12,725,369.28 × 5,146,806
  4. Step 4: Simplify right side
    9,221,187x = 65,495,006,962,519.68
  5. Step 5: Solve for x
    x = 65,495,006,962,519.68/9,221,187
  6. Step 6: Final answer
    x = 7,102,665.52

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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.