Home / 11,326,049.20-16,990,052.41-3,128,688.55

Finding the Fourth Proportional to 11,326,049.20, 16,990,052.41 and 3,128,688.55

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Solution

The fourth proportional to 11,326,049.20, 16,990,052.41 and 3,128,688.55 is: 4,693,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326,049.20 : 16,990,052.41 = 3,128,688.55 : x
  2. Step 2: Convert to fraction form
    11,326,049.20/16,990,052.41 = 3,128,688.55/x
  3. Step 3: Cross multiply
    11,326,049.20x = 16,990,052.41 × 3,128,688.55
  4. Step 4: Simplify right side
    11,326,049.20x = 53,156,582,439,066.91
  5. Step 5: Solve for x
    x = 53,156,582,439,066.91/11,326,049.20
  6. Step 6: Final answer
    x = 4,693,303.15

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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.