Home / 13,384,489.26-18,470,711.34-7,272,917.76

Finding the Fourth Proportional to 13,384,489.26, 18,470,711.34 and 7,272,917.76

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Solution

The fourth proportional to 13,384,489.26, 18,470,711.34 and 7,272,917.76 is: 10,036,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,489.26 : 18,470,711.34 = 7,272,917.76 : x
  2. Step 2: Convert to fraction form
    13,384,489.26/18,470,711.34 = 7,272,917.76/x
  3. Step 3: Cross multiply
    13,384,489.26x = 18,470,711.34 × 7,272,917.76
  4. Step 4: Simplify right side
    13,384,489.26x = 134,335,964,544,519.39
  5. Step 5: Solve for x
    x = 134,335,964,544,519.39/13,384,489.26
  6. Step 6: Final answer
    x = 10,036,689.63

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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.