Home / 30,266,380.29-45,391,164.26-8,401,732.77

Finding the Fourth Proportional to 30,266,380.29, 45,391,164.26 and 8,401,732.77

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Solution

The fourth proportional to 30,266,380.29, 45,391,164.26 and 8,401,732.77 is: 12,600,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,380.29 : 45,391,164.26 = 8,401,732.77 : x
  2. Step 2: Convert to fraction form
    30,266,380.29/45,391,164.26 = 8,401,732.77/x
  3. Step 3: Cross multiply
    30,266,380.29x = 45,391,164.26 × 8,401,732.77
  4. Step 4: Simplify right side
    30,266,380.29x = 381,364,432,359,903
  5. Step 5: Solve for x
    x = 381,364,432,359,903/30,266,380.29
  6. Step 6: Final answer
    x = 12,600,265.66

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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.