Home / 5,175,538.31-7,142,272.15-3,001,372.36

Finding the Fourth Proportional to 5,175,538.31, 7,142,272.15 and 3,001,372.36

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Solution

The fourth proportional to 5,175,538.31, 7,142,272.15 and 3,001,372.36 is: 4,141,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,538.31 : 7,142,272.15 = 3,001,372.36 : x
  2. Step 2: Convert to fraction form
    5,175,538.31/7,142,272.15 = 3,001,372.36/x
  3. Step 3: Cross multiply
    5,175,538.31x = 7,142,272.15 × 3,001,372.36
  4. Step 4: Simplify right side
    5,175,538.31x = 21,436,618,218,607.77
  5. Step 5: Solve for x
    x = 21,436,618,218,607.77/5,175,538.31
  6. Step 6: Final answer
    x = 4,141,910.84

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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.