Home / 15,718,913,390.15-21,694,002,676.98-8,946,378,680.12

Finding the Fourth Proportional to 15,718,913,390.15, 21,694,002,676.98 and 8,946,378,680.12

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Solution

The fourth proportional to 15,718,913,390.15, 21,694,002,676.98 and 8,946,378,680.12 is: 12,347,085,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,913,390.15 : 21,694,002,676.98 = 8,946,378,680.12 : x
  2. Step 2: Convert to fraction form
    15,718,913,390.15/21,694,002,676.98 = 8,946,378,680.12/x
  3. Step 3: Cross multiply
    15,718,913,390.15x = 21,694,002,676.98 × 8,946,378,680.12
  4. Step 4: Simplify right side
    15,718,913,390.15x = 194,082,763,035,800,109,056
  5. Step 5: Solve for x
    x = 194,082,763,035,800,109,056/15,718,913,390.15
  6. Step 6: Final answer
    x = 12,347,085,209.94

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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.