Home / 10,262,643.29-15,383,336.10-8,446,443.68

Finding the Fourth Proportional to 10,262,643.29, 15,383,336.10 and 8,446,443.68

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Solution

The fourth proportional to 10,262,643.29, 15,383,336.10 and 8,446,443.68 is: 12,660,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262,643.29 : 15,383,336.10 = 8,446,443.68 : x
  2. Step 2: Convert to fraction form
    10,262,643.29/15,383,336.10 = 8,446,443.68/x
  3. Step 3: Cross multiply
    10,262,643.29x = 15,383,336.10 × 8,446,443.68
  4. Step 4: Simplify right side
    10,262,643.29x = 129,934,481,979,160.84
  5. Step 5: Solve for x
    x = 129,934,481,979,160.84/10,262,643.29
  6. Step 6: Final answer
    x = 12,660,917.69

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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.