Home / 13,696,513.76-18,900,827.24-7,816,042.54

Finding the Fourth Proportional to 13,696,513.76, 18,900,827.24 and 7,816,042.54

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Solution

The fourth proportional to 13,696,513.76, 18,900,827.24 and 7,816,042.54 is: 10,785,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,513.76 : 18,900,827.24 = 7,816,042.54 : x
  2. Step 2: Convert to fraction form
    13,696,513.76/18,900,827.24 = 7,816,042.54/x
  3. Step 3: Cross multiply
    13,696,513.76x = 18,900,827.24 × 7,816,042.54
  4. Step 4: Simplify right side
    13,696,513.76x = 147,729,669,749,030.78
  5. Step 5: Solve for x
    x = 147,729,669,749,030.78/13,696,513.76
  6. Step 6: Final answer
    x = 10,785,932.27

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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.