Home / 15,743,495.52-21,725,145.36-8,678,860.80

Finding the Fourth Proportional to 15,743,495.52, 21,725,145.36 and 8,678,860.80

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Solution

The fourth proportional to 15,743,495.52, 21,725,145.36 and 8,678,860.80 is: 11,976,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743,495.52 : 21,725,145.36 = 8,678,860.80 : x
  2. Step 2: Convert to fraction form
    15,743,495.52/21,725,145.36 = 8,678,860.80/x
  3. Step 3: Cross multiply
    15,743,495.52x = 21,725,145.36 × 8,678,860.80
  4. Step 4: Simplify right side
    15,743,495.52x = 188,549,512,439,205.91
  5. Step 5: Solve for x
    x = 188,549,512,439,205.91/15,743,495.52
  6. Step 6: Final answer
    x = 11,976,343.64

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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.