Home / 38,596,315.25-53,262,915.32-21,192,660.47

Finding the Fourth Proportional to 38,596,315.25, 53,262,915.32 and 21,192,660.47

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Solution

The fourth proportional to 38,596,315.25, 53,262,915.32 and 21,192,660.47 is: 29,245,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,596,315.25 : 53,262,915.32 = 21,192,660.47 : x
  2. Step 2: Convert to fraction form
    38,596,315.25/53,262,915.32 = 21,192,660.47/x
  3. Step 3: Cross multiply
    38,596,315.25x = 53,262,915.32 × 21,192,660.47
  4. Step 4: Simplify right side
    38,596,315.25x = 1,128,782,879,646,843.50
  5. Step 5: Solve for x
    x = 1,128,782,879,646,843.50/38,596,315.25
  6. Step 6: Final answer
    x = 29,245,871.59

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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.