Home / 20,644,033.32-28,487,152.26-11,476,117.80

Finding the Fourth Proportional to 20,644,033.32, 28,487,152.26 and 11,476,117.80

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Solution

The fourth proportional to 20,644,033.32, 28,487,152.26 and 11,476,117.80 is: 15,836,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,033.32 : 28,487,152.26 = 11,476,117.80 : x
  2. Step 2: Convert to fraction form
    20,644,033.32/28,487,152.26 = 11,476,117.80/x
  3. Step 3: Cross multiply
    20,644,033.32x = 28,487,152.26 × 11,476,117.80
  4. Step 4: Simplify right side
    20,644,033.32x = 326,921,915,122,296.25
  5. Step 5: Solve for x
    x = 326,921,915,122,296.25/20,644,033.32
  6. Step 6: Final answer
    x = 15,836,145.49

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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.