Home / 19,641,998.58-27,107,320.40-11,907,366.90

Finding the Fourth Proportional to 19,641,998.58, 27,107,320.40 and 11,907,366.90

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Solution

The fourth proportional to 19,641,998.58, 27,107,320.40 and 11,907,366.90 is: 16,432,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641,998.58 : 27,107,320.40 = 11,907,366.90 : x
  2. Step 2: Convert to fraction form
    19,641,998.58/27,107,320.40 = 11,907,366.90/x
  3. Step 3: Cross multiply
    19,641,998.58x = 27,107,320.40 × 11,907,366.90
  4. Step 4: Simplify right side
    19,641,998.58x = 322,776,809,678,654.75
  5. Step 5: Solve for x
    x = 322,776,809,678,654.75/19,641,998.58
  6. Step 6: Final answer
    x = 16,432,992.21

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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.