Home / 15,469,920.22-21,333,856.49-10,162,244.59

Finding the Fourth Proportional to 15,469,920.22, 21,333,856.49 and 10,162,244.59

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Solution

The fourth proportional to 15,469,920.22, 21,333,856.49 and 10,162,244.59 is: 14,014,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,920.22 : 21,333,856.49 = 10,162,244.59 : x
  2. Step 2: Convert to fraction form
    15,469,920.22/21,333,856.49 = 10,162,244.59/x
  3. Step 3: Cross multiply
    15,469,920.22x = 21,333,856.49 × 10,162,244.59
  4. Step 4: Simplify right side
    15,469,920.22x = 216,799,867,810,467.03
  5. Step 5: Solve for x
    x = 216,799,867,810,467.03/15,469,920.22
  6. Step 6: Final answer
    x = 14,014,284.80

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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.