Home / 15,718,913,394.40-21,694,002,682.85-8,946,378,684.37

Finding the Fourth Proportional to 15,718,913,394.40, 21,694,002,682.85 and 8,946,378,684.37

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Solution

The fourth proportional to 15,718,913,394.40, 21,694,002,682.85 and 8,946,378,684.37 is: 12,347,085,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,913,394.40 : 21,694,002,682.85 = 8,946,378,684.37 : x
  2. Step 2: Convert to fraction form
    15,718,913,394.40/21,694,002,682.85 = 8,946,378,684.37/x
  3. Step 3: Cross multiply
    15,718,913,394.40x = 21,694,002,682.85 × 8,946,378,684.37
  4. Step 4: Simplify right side
    15,718,913,394.40x = 194,082,763,180,514,836,480
  5. Step 5: Solve for x
    x = 194,082,763,180,514,836,480/15,718,913,394.40
  6. Step 6: Final answer
    x = 12,347,085,215.81

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1.5x scale

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.