Home / 20,878,962.34-31,321,194.13-7,746,593.33

Finding the Fourth Proportional to 20,878,962.34, 31,321,194.13 and 7,746,593.33

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Solution

The fourth proportional to 20,878,962.34, 31,321,194.13 and 7,746,593.33 is: 11,620,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,878,962.34 : 31,321,194.13 = 7,746,593.33 : x
  2. Step 2: Convert to fraction form
    20,878,962.34/31,321,194.13 = 7,746,593.33/x
  3. Step 3: Cross multiply
    20,878,962.34x = 31,321,194.13 × 7,746,593.33
  4. Step 4: Simplify right side
    20,878,962.34x = 242,632,553,572,633.78
  5. Step 5: Solve for x
    x = 242,632,553,572,633.78/20,878,962.34
  6. Step 6: Final answer
    x = 11,620,910.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.