Home / 15,895,303,138.33-21,935,986,236.99-8,759,176,633.89

Finding the Fourth Proportional to 15,895,303,138.33, 21,935,986,236.99 and 8,759,176,633.89

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Solution

The fourth proportional to 15,895,303,138.33, 21,935,986,236.99 and 8,759,176,633.89 is: 12,087,921,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,303,138.33 : 21,935,986,236.99 = 8,759,176,633.89 : x
  2. Step 2: Convert to fraction form
    15,895,303,138.33/21,935,986,236.99 = 8,759,176,633.89/x
  3. Step 3: Cross multiply
    15,895,303,138.33x = 21,935,986,236.99 × 8,759,176,633.89
  4. Step 4: Simplify right side
    15,895,303,138.33x = 192,141,178,088,375,451,648
  5. Step 5: Solve for x
    x = 192,141,178,088,375,451,648/15,895,303,138.33
  6. Step 6: Final answer
    x = 12,087,921,596.48

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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.