Home / 7,783,212.68-10,740,018.76-4,519,391.20

Finding the Fourth Proportional to 7,783,212.68, 10,740,018.76 and 4,519,391.20

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Solution

The fourth proportional to 7,783,212.68, 10,740,018.76 and 4,519,391.20 is: 6,236,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783,212.68 : 10,740,018.76 = 4,519,391.20 : x
  2. Step 2: Convert to fraction form
    7,783,212.68/10,740,018.76 = 4,519,391.20/x
  3. Step 3: Cross multiply
    7,783,212.68x = 10,740,018.76 × 4,519,391.20
  4. Step 4: Simplify right side
    7,783,212.68x = 48,538,346,271,778.91
  5. Step 5: Solve for x
    x = 48,538,346,271,778.91/7,783,212.68
  6. Step 6: Final answer
    x = 6,236,286.77

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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.