Home / 19,300,299.78-28,951,380.72-6,346,163.64

Finding the Fourth Proportional to 19,300,299.78, 28,951,380.72 and 6,346,163.64

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Solution

The fourth proportional to 19,300,299.78, 28,951,380.72 and 6,346,163.64 is: 9,519,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300,299.78 : 28,951,380.72 = 6,346,163.64 : x
  2. Step 2: Convert to fraction form
    19,300,299.78/28,951,380.72 = 6,346,163.64/x
  3. Step 3: Cross multiply
    19,300,299.78x = 28,951,380.72 × 6,346,163.64
  4. Step 4: Simplify right side
    19,300,299.78x = 183,730,199,653,061
  5. Step 5: Solve for x
    x = 183,730,199,653,061/19,300,299.78
  6. Step 6: Final answer
    x = 9,519,551.60

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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.