Home / 13,306,950.12-19,951,843.32-5,220,743.04

Finding the Fourth Proportional to 13,306,950.12, 19,951,843.32 and 5,220,743.04

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Solution

The fourth proportional to 13,306,950.12, 19,951,843.32 and 5,220,743.04 is: 7,827,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,950.12 : 19,951,843.32 = 5,220,743.04 : x
  2. Step 2: Convert to fraction form
    13,306,950.12/19,951,843.32 = 5,220,743.04/x
  3. Step 3: Cross multiply
    13,306,950.12x = 19,951,843.32 × 5,220,743.04
  4. Step 4: Simplify right side
    13,306,950.12x = 104,163,447,148,060.50
  5. Step 5: Solve for x
    x = 104,163,447,148,060.50/13,306,950.12
  6. Step 6: Final answer
    x = 7,827,747.62

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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.