Home / 20,212,022,747.15-27,890,719,557.98-11,179,586,450.64

Finding the Fourth Proportional to 20,212,022,747.15, 27,890,719,557.98 and 11,179,586,450.64

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Solution

The fourth proportional to 20,212,022,747.15, 27,890,719,557.98 and 11,179,586,450.64 is: 15,426,793,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,022,747.15 : 27,890,719,557.98 = 11,179,586,450.64 : x
  2. Step 2: Convert to fraction form
    20,212,022,747.15/27,890,719,557.98 = 11,179,586,450.64/x
  3. Step 3: Cross multiply
    20,212,022,747.15x = 27,890,719,557.98 × 11,179,586,450.64
  4. Step 4: Simplify right side
    20,212,022,747.15x = 311,806,710,468,937,318,400
  5. Step 5: Solve for x
    x = 311,806,710,468,937,318,400/20,212,022,747.15
  6. Step 6: Final answer
    x = 15,426,793,961.68

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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.