Home / 12,954,313.28-17,870,495.39-7,723,632.44

Finding the Fourth Proportional to 12,954,313.28, 17,870,495.39 and 7,723,632.44

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Solution

The fourth proportional to 12,954,313.28, 17,870,495.39 and 7,723,632.44 is: 10,654,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,313.28 : 17,870,495.39 = 7,723,632.44 : x
  2. Step 2: Convert to fraction form
    12,954,313.28/17,870,495.39 = 7,723,632.44/x
  3. Step 3: Cross multiply
    12,954,313.28x = 17,870,495.39 × 7,723,632.44
  4. Step 4: Simplify right side
    12,954,313.28x = 138,025,137,913,074.47
  5. Step 5: Solve for x
    x = 138,025,137,913,074.47/12,954,313.28
  6. Step 6: Final answer
    x = 10,654,763.01

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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.