Home / 12,714,432-17,545,916.16-6,991,296

Finding the Fourth Proportional to 12,714,432, 17,545,916.16 and 6,991,296

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Solution

The fourth proportional to 12,714,432, 17,545,916.16 and 6,991,296 is: 9,647,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714,432 : 17,545,916.16 = 6,991,296 : x
  2. Step 2: Convert to fraction form
    12,714,432/17,545,916.16 = 6,991,296/x
  3. Step 3: Cross multiply
    12,714,432x = 17,545,916.16 × 6,991,296
  4. Step 4: Simplify right side
    12,714,432x = 122,668,693,465,743.36
  5. Step 5: Solve for x
    x = 122,668,693,465,743.36/12,714,432
  6. Step 6: Final answer
    x = 9,647,988.48

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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.