Home / 13,302,616.78-18,360,955.22-7,504,761.62

Finding the Fourth Proportional to 13,302,616.78, 18,360,955.22 and 7,504,761.62

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Solution

The fourth proportional to 13,302,616.78, 18,360,955.22 and 7,504,761.62 is: 10,358,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,616.78 : 18,360,955.22 = 7,504,761.62 : x
  2. Step 2: Convert to fraction form
    13,302,616.78/18,360,955.22 = 7,504,761.62/x
  3. Step 3: Cross multiply
    13,302,616.78x = 18,360,955.22 × 7,504,761.62
  4. Step 4: Simplify right side
    13,302,616.78x = 137,794,592,041,594.66
  5. Step 5: Solve for x
    x = 137,794,592,041,594.66/13,302,616.78
  6. Step 6: Final answer
    x = 10,358,457.61

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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.