Home / 8,855,901.69-12,221,166.49-5,135,453.83

Finding the Fourth Proportional to 8,855,901.69, 12,221,166.49 and 5,135,453.83

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Solution

The fourth proportional to 8,855,901.69, 12,221,166.49 and 5,135,453.83 is: 7,086,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,901.69 : 12,221,166.49 = 5,135,453.83 : x
  2. Step 2: Convert to fraction form
    8,855,901.69/12,221,166.49 = 5,135,453.83/x
  3. Step 3: Cross multiply
    8,855,901.69x = 12,221,166.49 × 5,135,453.83
  4. Step 4: Simplify right side
    8,855,901.69x = 62,761,236,258,138.16
  5. Step 5: Solve for x
    x = 62,761,236,258,138.16/8,855,901.69
  6. Step 6: Final answer
    x = 7,086,939.13

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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.