Home / 18,890,965.66-28,335,382.63-8,371,609.19

Finding the Fourth Proportional to 18,890,965.66, 28,335,382.63 and 8,371,609.19

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Solution

The fourth proportional to 18,890,965.66, 28,335,382.63 and 8,371,609.19 is: 12,556,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890,965.66 : 28,335,382.63 = 8,371,609.19 : x
  2. Step 2: Convert to fraction form
    18,890,965.66/28,335,382.63 = 8,371,609.19/x
  3. Step 3: Cross multiply
    18,890,965.66x = 28,335,382.63 × 8,371,609.19
  4. Step 4: Simplify right side
    18,890,965.66x = 237,212,749,627,474.38
  5. Step 5: Solve for x
    x = 237,212,749,627,474.38/18,890,965.66
  6. Step 6: Final answer
    x = 12,556,941.44

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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.