Home / 12,305,014.12-18,457,523.10-8,048,762.92

Finding the Fourth Proportional to 12,305,014.12, 18,457,523.10 and 8,048,762.92

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Solution

The fourth proportional to 12,305,014.12, 18,457,523.10 and 8,048,762.92 is: 12,073,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,014.12 : 18,457,523.10 = 8,048,762.92 : x
  2. Step 2: Convert to fraction form
    12,305,014.12/18,457,523.10 = 8,048,762.92/x
  3. Step 3: Cross multiply
    12,305,014.12x = 18,457,523.10 × 8,048,762.92
  4. Step 4: Simplify right side
    12,305,014.12x = 148,560,227,522,323.47
  5. Step 5: Solve for x
    x = 148,560,227,522,323.47/12,305,014.12
  6. Step 6: Final answer
    x = 12,073,145.64

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1.5x scale

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.