Home / 19,936,678.05-29,905,016.94-4,790,609.55

Finding the Fourth Proportional to 19,936,678.05, 29,905,016.94 and 4,790,609.55

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Solution

The fourth proportional to 19,936,678.05, 29,905,016.94 and 4,790,609.55 is: 7,185,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,678.05 : 29,905,016.94 = 4,790,609.55 : x
  2. Step 2: Convert to fraction form
    19,936,678.05/29,905,016.94 = 4,790,609.55/x
  3. Step 3: Cross multiply
    19,936,678.05x = 29,905,016.94 × 4,790,609.55
  4. Step 4: Simplify right side
    19,936,678.05x = 143,263,259,745,675.78
  5. Step 5: Solve for x
    x = 143,263,259,745,675.78/19,936,678.05
  6. Step 6: Final answer
    x = 7,185,914.29

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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.