Home / 20,717,134,679.70-28,588,472,016.72-11,684,352,905.46

Finding the Fourth Proportional to 20,717,134,679.70, 28,588,472,016.72 and 11,684,352,905.46

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Solution

The fourth proportional to 20,717,134,679.70, 28,588,472,016.72 and 11,684,352,905.46 is: 16,123,744,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,134,679.70 : 28,588,472,016.72 = 11,684,352,905.46 : x
  2. Step 2: Convert to fraction form
    20,717,134,679.70/28,588,472,016.72 = 11,684,352,905.46/x
  3. Step 3: Cross multiply
    20,717,134,679.70x = 28,588,472,016.72 × 11,684,352,905.46
  4. Step 4: Simplify right side
    20,717,134,679.70x = 334,037,796,071,224,246,272
  5. Step 5: Solve for x
    x = 334,037,796,071,224,246,272/20,717,134,679.70
  6. Step 6: Final answer
    x = 16,123,744,969.35

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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.