Home / 16,131,815.40-24,197,723.10-12,478,650.60

Finding the Fourth Proportional to 16,131,815.40, 24,197,723.10 and 12,478,650.60

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Solution

The fourth proportional to 16,131,815.40, 24,197,723.10 and 12,478,650.60 is: 18,717,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,815.40 : 24,197,723.10 = 12,478,650.60 : x
  2. Step 2: Convert to fraction form
    16,131,815.40/24,197,723.10 = 12,478,650.60/x
  3. Step 3: Cross multiply
    16,131,815.40x = 24,197,723.10 × 12,478,650.60
  4. Step 4: Simplify right side
    16,131,815.40x = 301,954,931,880,448.88
  5. Step 5: Solve for x
    x = 301,954,931,880,448.88/16,131,815.40
  6. Step 6: Final answer
    x = 18,717,975.90

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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.