Home / 30,266,380.42-45,391,164.44-8,401,732.90

Finding the Fourth Proportional to 30,266,380.42, 45,391,164.44 and 8,401,732.90

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Solution

The fourth proportional to 30,266,380.42, 45,391,164.44 and 8,401,732.90 is: 12,600,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,380.42 : 45,391,164.44 = 8,401,732.90 : x
  2. Step 2: Convert to fraction form
    30,266,380.42/45,391,164.44 = 8,401,732.90/x
  3. Step 3: Cross multiply
    30,266,380.42x = 45,391,164.44 × 8,401,732.90
  4. Step 4: Simplify right side
    30,266,380.42x = 381,364,439,417,902.19
  5. Step 5: Solve for x
    x = 381,364,439,417,902.19/30,266,380.42
  6. Step 6: Final answer
    x = 12,600,265.85

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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.