Home / 7,637,879.12-10,540,350.60-4,200,145.52

Finding the Fourth Proportional to 7,637,879.12, 10,540,350.60 and 4,200,145.52

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Solution

The fourth proportional to 7,637,879.12, 10,540,350.60 and 4,200,145.52 is: 5,796,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637,879.12 : 10,540,350.60 = 4,200,145.52 : x
  2. Step 2: Convert to fraction form
    7,637,879.12/10,540,350.60 = 4,200,145.52/x
  3. Step 3: Cross multiply
    7,637,879.12x = 10,540,350.60 × 4,200,145.52
  4. Step 4: Simplify right side
    7,637,879.12x = 44,271,006,351,819.30
  5. Step 5: Solve for x
    x = 44,271,006,351,819.30/7,637,879.12
  6. Step 6: Final answer
    x = 5,796,243.39

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Double scale
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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.