Home / 13,556,446.73-18,700,979.00-8,656,516.97

Finding the Fourth Proportional to 13,556,446.73, 18,700,979.00 and 8,656,516.97

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Solution

The fourth proportional to 13,556,446.73, 18,700,979.00 and 8,656,516.97 is: 11,941,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,446.73 : 18,700,979.00 = 8,656,516.97 : x
  2. Step 2: Convert to fraction form
    13,556,446.73/18,700,979.00 = 8,656,516.97/x
  3. Step 3: Cross multiply
    13,556,446.73x = 18,700,979.00 × 8,656,516.97
  4. Step 4: Simplify right side
    13,556,446.73x = 161,885,342,043,113.78
  5. Step 5: Solve for x
    x = 161,885,342,043,113.78/13,556,446.73
  6. Step 6: Final answer
    x = 11,941,576.23

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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.