Home / 18,212,364.10-27,315,046.95-5,433,285.70

Finding the Fourth Proportional to 18,212,364.10, 27,315,046.95 and 5,433,285.70

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Solution

The fourth proportional to 18,212,364.10, 27,315,046.95 and 5,433,285.70 is: 8,148,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,364.10 : 27,315,046.95 = 5,433,285.70 : x
  2. Step 2: Convert to fraction form
    18,212,364.10/27,315,046.95 = 5,433,285.70/x
  3. Step 3: Cross multiply
    18,212,364.10x = 27,315,046.95 × 5,433,285.70
  4. Step 4: Simplify right side
    18,212,364.10x = 148,410,453,988,263.62
  5. Step 5: Solve for x
    x = 148,410,453,988,263.62/18,212,364.10
  6. Step 6: Final answer
    x = 8,148,884.64

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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.