Home / 21,838,468,832.82-30,136,792,326.17-12,193,347,367.67

Finding the Fourth Proportional to 21,838,468,832.82, 30,136,792,326.17 and 12,193,347,367.67

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Solution

The fourth proportional to 21,838,468,832.82, 30,136,792,326.17 and 12,193,347,367.67 is: 16,826,654,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838,468,832.82 : 30,136,792,326.17 = 12,193,347,367.67 : x
  2. Step 2: Convert to fraction form
    21,838,468,832.82/30,136,792,326.17 = 12,193,347,367.67/x
  3. Step 3: Cross multiply
    21,838,468,832.82x = 30,136,792,326.17 × 12,193,347,367.67
  4. Step 4: Simplify right side
    21,838,468,832.82x = 367,468,377,380,110,794,752
  5. Step 5: Solve for x
    x = 367,468,377,380,110,794,752/21,838,468,832.82
  6. Step 6: Final answer
    x = 16,826,654,844.40

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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.