Home / 15,185,911,956.62-22,770,564,002.92-12,058,217,921.42

Finding the Fourth Proportional to 15,185,911,956.62, 22,770,564,002.92 and 12,058,217,921.42

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Solution

The fourth proportional to 15,185,911,956.62, 22,770,564,002.92 and 12,058,217,921.42 is: 18,080,733,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,911,956.62 : 22,770,564,002.92 = 12,058,217,921.42 : x
  2. Step 2: Convert to fraction form
    15,185,911,956.62/22,770,564,002.92 = 12,058,217,921.42/x
  3. Step 3: Cross multiply
    15,185,911,956.62x = 22,770,564,002.92 × 12,058,217,921.42
  4. Step 4: Simplify right side
    15,185,911,956.62x = 274,572,422,940,676,980,736
  5. Step 5: Solve for x
    x = 274,572,422,940,676,980,736/15,185,911,956.62
  6. Step 6: Final answer
    x = 18,080,733,229.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.