Home / 12,618,803.31-17,413,960.89-6,817,589.65

Finding the Fourth Proportional to 12,618,803.31, 17,413,960.89 and 6,817,589.65

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Solution

The fourth proportional to 12,618,803.31, 17,413,960.89 and 6,817,589.65 is: 9,408,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,803.31 : 17,413,960.89 = 6,817,589.65 : x
  2. Step 2: Convert to fraction form
    12,618,803.31/17,413,960.89 = 6,817,589.65/x
  3. Step 3: Cross multiply
    12,618,803.31x = 17,413,960.89 × 6,817,589.65
  4. Step 4: Simplify right side
    12,618,803.31x = 118,721,239,529,168.80
  5. Step 5: Solve for x
    x = 118,721,239,529,168.80/12,618,803.31
  6. Step 6: Final answer
    x = 9,408,280.37

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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.