Home / 18,144,631.80-27,216,947.70-8,066,935.80

Finding the Fourth Proportional to 18,144,631.80, 27,216,947.70 and 8,066,935.80

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Solution

The fourth proportional to 18,144,631.80, 27,216,947.70 and 8,066,935.80 is: 12,100,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,631.80 : 27,216,947.70 = 8,066,935.80 : x
  2. Step 2: Convert to fraction form
    18,144,631.80/27,216,947.70 = 8,066,935.80/x
  3. Step 3: Cross multiply
    18,144,631.80x = 27,216,947.70 × 8,066,935.80
  4. Step 4: Simplify right side
    18,144,631.80x = 219,557,369,767,857.66
  5. Step 5: Solve for x
    x = 219,557,369,767,857.66/18,144,631.80
  6. Step 6: Final answer
    x = 12,100,403.70

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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.