Home / 8,391,768.81-12,589,748.13-2,926,942.16

Finding the Fourth Proportional to 8,391,768.81, 12,589,748.13 and 2,926,942.16

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Solution

The fourth proportional to 8,391,768.81, 12,589,748.13 and 2,926,942.16 is: 4,391,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,768.81 : 12,589,748.13 = 2,926,942.16 : x
  2. Step 2: Convert to fraction form
    8,391,768.81/12,589,748.13 = 2,926,942.16/x
  3. Step 3: Cross multiply
    8,391,768.81x = 12,589,748.13 × 2,926,942.16
  4. Step 4: Simplify right side
    8,391,768.81x = 36,849,464,522,529.42
  5. Step 5: Solve for x
    x = 36,849,464,522,529.42/8,391,768.81
  6. Step 6: Final answer
    x = 4,391,143.91

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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.