Home / 30,331,868.56-45,493,318.09-11,158,141.57

Finding the Fourth Proportional to 30,331,868.56, 45,493,318.09 and 11,158,141.57

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Solution

The fourth proportional to 30,331,868.56, 45,493,318.09 and 11,158,141.57 is: 16,735,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331,868.56 : 45,493,318.09 = 11,158,141.57 : x
  2. Step 2: Convert to fraction form
    30,331,868.56/45,493,318.09 = 11,158,141.57/x
  3. Step 3: Cross multiply
    30,331,868.56x = 45,493,318.09 × 11,158,141.57
  4. Step 4: Simplify right side
    30,331,868.56x = 507,620,883,737,262.06
  5. Step 5: Solve for x
    x = 507,620,883,737,262.06/30,331,868.56
  6. Step 6: Final answer
    x = 16,735,562.56

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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.