Home / 28,737,100.36-39,656,636.34-15,684,452.80

Finding the Fourth Proportional to 28,737,100.36, 39,656,636.34 and 15,684,452.80

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Solution

The fourth proportional to 28,737,100.36, 39,656,636.34 and 15,684,452.80 is: 21,644,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737,100.36 : 39,656,636.34 = 15,684,452.80 : x
  2. Step 2: Convert to fraction form
    28,737,100.36/39,656,636.34 = 15,684,452.80/x
  3. Step 3: Cross multiply
    28,737,100.36x = 39,656,636.34 × 15,684,452.80
  4. Step 4: Simplify right side
    28,737,100.36x = 621,992,640,881,494.88
  5. Step 5: Solve for x
    x = 621,992,640,881,494.88/28,737,100.36
  6. Step 6: Final answer
    x = 21,644,238.04

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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.