Home / 15,718,913,395.40-21,694,002,684.23-8,946,378,685.37

Finding the Fourth Proportional to 15,718,913,395.40, 21,694,002,684.23 and 8,946,378,685.37

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Solution

The fourth proportional to 15,718,913,395.40, 21,694,002,684.23 and 8,946,378,685.37 is: 12,347,085,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,913,395.40 : 21,694,002,684.23 = 8,946,378,685.37 : x
  2. Step 2: Convert to fraction form
    15,718,913,395.40/21,694,002,684.23 = 8,946,378,685.37/x
  3. Step 3: Cross multiply
    15,718,913,395.40x = 21,694,002,684.23 × 8,946,378,685.37
  4. Step 4: Simplify right side
    15,718,913,395.40x = 194,082,763,214,554,857,472
  5. Step 5: Solve for x
    x = 194,082,763,214,554,857,472/15,718,913,395.40
  6. Step 6: Final answer
    x = 12,347,085,217.19

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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.