Home / 21,347,267.19-29,458,871.44-11,557,631.89

Finding the Fourth Proportional to 21,347,267.19, 29,458,871.44 and 11,557,631.89

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Solution

The fourth proportional to 21,347,267.19, 29,458,871.44 and 11,557,631.89 is: 15,949,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,267.19 : 29,458,871.44 = 11,557,631.89 : x
  2. Step 2: Convert to fraction form
    21,347,267.19/29,458,871.44 = 11,557,631.89/x
  3. Step 3: Cross multiply
    21,347,267.19x = 29,458,871.44 × 11,557,631.89
  4. Step 4: Simplify right side
    21,347,267.19x = 340,474,791,998,354.25
  5. Step 5: Solve for x
    x = 340,474,791,998,354.25/21,347,267.19
  6. Step 6: Final answer
    x = 15,949,338.57

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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.