Home / 18,208,093.70-27,312,140.55-4,744,921.70

Finding the Fourth Proportional to 18,208,093.70, 27,312,140.55 and 4,744,921.70

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Solution

The fourth proportional to 18,208,093.70, 27,312,140.55 and 4,744,921.70 is: 7,117,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,093.70 : 27,312,140.55 = 4,744,921.70 : x
  2. Step 2: Convert to fraction form
    18,208,093.70/27,312,140.55 = 4,744,921.70/x
  3. Step 3: Cross multiply
    18,208,093.70x = 27,312,140.55 × 4,744,921.70
  4. Step 4: Simplify right side
    18,208,093.70x = 129,593,968,369,144.94
  5. Step 5: Solve for x
    x = 129,593,968,369,144.94/18,208,093.70
  6. Step 6: Final answer
    x = 7,117,382.55

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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.