Home / 28,438,311.96-39,243,900.06-16,219,105.56

Finding the Fourth Proportional to 28,438,311.96, 39,243,900.06 and 16,219,105.56

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Solution

The fourth proportional to 28,438,311.96, 39,243,900.06 and 16,219,105.56 is: 22,381,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,438,311.96 : 39,243,900.06 = 16,219,105.56 : x
  2. Step 2: Convert to fraction form
    28,438,311.96/39,243,900.06 = 16,219,105.56/x
  3. Step 3: Cross multiply
    28,438,311.96x = 39,243,900.06 × 16,219,105.56
  4. Step 4: Simplify right side
    28,438,311.96x = 636,500,957,659,230.38
  5. Step 5: Solve for x
    x = 636,500,957,659,230.38/28,438,311.96
  6. Step 6: Final answer
    x = 22,381,812.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.