Home / 19,284,286.98-28,926,352.55-6,985,371.69

Finding the Fourth Proportional to 19,284,286.98, 28,926,352.55 and 6,985,371.69

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Solution

The fourth proportional to 19,284,286.98, 28,926,352.55 and 6,985,371.69 is: 10,478,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284,286.98 : 28,926,352.55 = 6,985,371.69 : x
  2. Step 2: Convert to fraction form
    19,284,286.98/28,926,352.55 = 6,985,371.69/x
  3. Step 3: Cross multiply
    19,284,286.98x = 28,926,352.55 × 6,985,371.69
  4. Step 4: Simplify right side
    19,284,286.98x = 202,061,324,162,802.47
  5. Step 5: Solve for x
    x = 202,061,324,162,802.47/19,284,286.98
  6. Step 6: Final answer
    x = 10,478,029.31

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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.