Home / 20,798,043,787.08-28,701,300,425.49-11,887,563,858.84

Finding the Fourth Proportional to 20,798,043,787.08, 28,701,300,425.49 and 11,887,563,858.84

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Solution

The fourth proportional to 20,798,043,787.08, 28,701,300,425.49 and 11,887,563,858.84 is: 16,404,838,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,043,787.08 : 28,701,300,425.49 = 11,887,563,858.84 : x
  2. Step 2: Convert to fraction form
    20,798,043,787.08/28,701,300,425.49 = 11,887,563,858.84/x
  3. Step 3: Cross multiply
    20,798,043,787.08x = 28,701,300,425.49 × 11,887,563,858.84
  4. Step 4: Simplify right side
    20,798,043,787.08x = 341,188,541,639,764,082,688
  5. Step 5: Solve for x
    x = 341,188,541,639,764,082,688/20,798,043,787.08
  6. Step 6: Final answer
    x = 16,404,838,124.81

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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.