Home / 12,687,056.37-17,508,305.75-6,885,907.65

Finding the Fourth Proportional to 12,687,056.37, 17,508,305.75 and 6,885,907.65

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Solution

The fourth proportional to 12,687,056.37, 17,508,305.75 and 6,885,907.65 is: 9,502,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,056.37 : 17,508,305.75 = 6,885,907.65 : x
  2. Step 2: Convert to fraction form
    12,687,056.37/17,508,305.75 = 6,885,907.65/x
  3. Step 3: Cross multiply
    12,687,056.37x = 17,508,305.75 × 6,885,907.65
  4. Step 4: Simplify right side
    12,687,056.37x = 120,560,576,575,379.84
  5. Step 5: Solve for x
    x = 120,560,576,575,379.84/12,687,056.37
  6. Step 6: Final answer
    x = 9,502,643.72

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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.