Home / 20,717,134,682.20-28,588,472,019.98-11,684,352,907.82

Finding the Fourth Proportional to 20,717,134,682.20, 28,588,472,019.98 and 11,684,352,907.82

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Solution

The fourth proportional to 20,717,134,682.20, 28,588,472,019.98 and 11,684,352,907.82 is: 16,123,744,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,134,682.20 : 28,588,472,019.98 = 11,684,352,907.82 : x
  2. Step 2: Convert to fraction form
    20,717,134,682.20/28,588,472,019.98 = 11,684,352,907.82/x
  3. Step 3: Cross multiply
    20,717,134,682.20x = 28,588,472,019.98 × 11,684,352,907.82
  4. Step 4: Simplify right side
    20,717,134,682.20x = 334,037,796,176,858,120,192
  5. Step 5: Solve for x
    x = 334,037,796,176,858,120,192/20,717,134,682.20
  6. Step 6: Final answer
    x = 16,123,744,972.51

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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.