Home / 20,717,134,687.26-28,588,472,026.97-11,684,352,912.89

Finding the Fourth Proportional to 20,717,134,687.26, 28,588,472,026.97 and 11,684,352,912.89

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Solution

The fourth proportional to 20,717,134,687.26, 28,588,472,026.97 and 11,684,352,912.89 is: 16,123,744,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,134,687.26 : 28,588,472,026.97 = 11,684,352,912.89 : x
  2. Step 2: Convert to fraction form
    20,717,134,687.26/28,588,472,026.97 = 11,684,352,912.89/x
  3. Step 3: Cross multiply
    20,717,134,687.26x = 28,588,472,026.97 × 11,684,352,912.89
  4. Step 4: Simplify right side
    20,717,134,687.26x = 334,037,796,403,199,868,928
  5. Step 5: Solve for x
    x = 334,037,796,403,199,868,928/20,717,134,687.26
  6. Step 6: Final answer
    x = 16,123,744,979.49

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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.