Home / 21,054,414,942.95-31,581,865,024.85-7,609,719,906.59

Finding the Fourth Proportional to 21,054,414,942.95, 31,581,865,024.85 and 7,609,719,906.59

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Solution

The fourth proportional to 21,054,414,942.95, 31,581,865,024.85 and 7,609,719,906.59 is: 11,414,667,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,414,942.95 : 31,581,865,024.85 = 7,609,719,906.59 : x
  2. Step 2: Convert to fraction form
    21,054,414,942.95/31,581,865,024.85 = 7,609,719,906.59/x
  3. Step 3: Cross multiply
    21,054,414,942.95x = 31,581,865,024.85 × 7,609,719,906.59
  4. Step 4: Simplify right side
    21,054,414,942.95x = 240,329,146,966,839,525,376
  5. Step 5: Solve for x
    x = 240,329,146,966,839,525,376/21,054,414,942.95
  6. Step 6: Final answer
    x = 11,414,667,546.83

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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.