Home / 28,908,100.78-43,364,699.99-8,158,723.73

Finding the Fourth Proportional to 28,908,100.78, 43,364,699.99 and 8,158,723.73

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Solution

The fourth proportional to 28,908,100.78, 43,364,699.99 and 8,158,723.73 is: 12,238,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908,100.78 : 43,364,699.99 = 8,158,723.73 : x
  2. Step 2: Convert to fraction form
    28,908,100.78/43,364,699.99 = 8,158,723.73/x
  3. Step 3: Cross multiply
    28,908,100.78x = 43,364,699.99 × 8,158,723.73
  4. Step 4: Simplify right side
    28,908,100.78x = 353,800,606,811,950.19
  5. Step 5: Solve for x
    x = 353,800,606,811,950.19/28,908,100.78
  6. Step 6: Final answer
    x = 12,238,804.95

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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.