Home / 28,726,137.38-39,595,760.55-19,430,317.34

Finding the Fourth Proportional to 28,726,137.38, 39,595,760.55 and 19,430,317.34

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Solution

The fourth proportional to 28,726,137.38, 39,595,760.55 and 19,430,317.34 is: 26,782,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726,137.38 : 39,595,760.55 = 19,430,317.34 : x
  2. Step 2: Convert to fraction form
    28,726,137.38/39,595,760.55 = 19,430,317.34/x
  3. Step 3: Cross multiply
    28,726,137.38x = 39,595,760.55 × 19,430,317.34
  4. Step 4: Simplify right side
    28,726,137.38x = 769,358,192,805,152.88
  5. Step 5: Solve for x
    x = 769,358,192,805,152.88/28,726,137.38
  6. Step 6: Final answer
    x = 26,782,514.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.