Home / 18,724,672,822.64-28,082,711,236.64-11,163,596,979.28

Finding the Fourth Proportional to 18,724,672,822.64, 28,082,711,236.64 and 11,163,596,979.28

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Solution

The fourth proportional to 18,724,672,822.64, 28,082,711,236.64 and 11,163,596,979.28 is: 16,742,833,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,672,822.64 : 28,082,711,236.64 = 11,163,596,979.28 : x
  2. Step 2: Convert to fraction form
    18,724,672,822.64/28,082,711,236.64 = 11,163,596,979.28/x
  3. Step 3: Cross multiply
    18,724,672,822.64x = 28,082,711,236.64 × 11,163,596,979.28
  4. Step 4: Simplify right side
    18,724,672,822.64x = 313,504,070,331,346,845,696
  5. Step 5: Solve for x
    x = 313,504,070,331,346,845,696/18,724,672,822.64
  6. Step 6: Final answer
    x = 16,742,833,015.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.