Home / 7,218,507.51-9,960,877.94-4,162,131.27

Finding the Fourth Proportional to 7,218,507.51, 9,960,877.94 and 4,162,131.27

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Solution

The fourth proportional to 7,218,507.51, 9,960,877.94 and 4,162,131.27 is: 5,743,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,507.51 : 9,960,877.94 = 4,162,131.27 : x
  2. Step 2: Convert to fraction form
    7,218,507.51/9,960,877.94 = 4,162,131.27/x
  3. Step 3: Cross multiply
    7,218,507.51x = 9,960,877.94 × 4,162,131.27
  4. Step 4: Simplify right side
    7,218,507.51x = 41,458,481,529,916.53
  5. Step 5: Solve for x
    x = 41,458,481,529,916.53/7,218,507.51
  6. Step 6: Final answer
    x = 5,743,359.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.