Home / 18,257,821.92-25,196,103.60-9,997,751.52

Finding the Fourth Proportional to 18,257,821.92, 25,196,103.60 and 9,997,751.52

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Solution

The fourth proportional to 18,257,821.92, 25,196,103.60 and 9,997,751.52 is: 13,797,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,821.92 : 25,196,103.60 = 9,997,751.52 : x
  2. Step 2: Convert to fraction form
    18,257,821.92/25,196,103.60 = 9,997,751.52/x
  3. Step 3: Cross multiply
    18,257,821.92x = 25,196,103.60 × 9,997,751.52
  4. Step 4: Simplify right side
    18,257,821.92x = 251,904,383,064,977.47
  5. Step 5: Solve for x
    x = 251,904,383,064,977.47/18,257,821.92
  6. Step 6: Final answer
    x = 13,797,066.49

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1.5x scale

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.