Home / 15,718,913,392.28-21,694,002,679.91-8,946,378,682.25

Finding the Fourth Proportional to 15,718,913,392.28, 21,694,002,679.91 and 8,946,378,682.25

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Solution

The fourth proportional to 15,718,913,392.28, 21,694,002,679.91 and 8,946,378,682.25 is: 12,347,085,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,913,392.28 : 21,694,002,679.91 = 8,946,378,682.25 : x
  2. Step 2: Convert to fraction form
    15,718,913,392.28/21,694,002,679.91 = 8,946,378,682.25/x
  3. Step 3: Cross multiply
    15,718,913,392.28x = 21,694,002,679.91 × 8,946,378,682.25
  4. Step 4: Simplify right side
    15,718,913,392.28x = 194,082,763,108,130,619,392
  5. Step 5: Solve for x
    x = 194,082,763,108,130,619,392/15,718,913,392.28
  6. Step 6: Final answer
    x = 12,347,085,212.87

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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.