Home / 12,815,907.06-17,685,890.24-6,935,537.90

Finding the Fourth Proportional to 12,815,907.06, 17,685,890.24 and 6,935,537.90

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Solution

The fourth proportional to 12,815,907.06, 17,685,890.24 and 6,935,537.90 is: 9,571,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,907.06 : 17,685,890.24 = 6,935,537.90 : x
  2. Step 2: Convert to fraction form
    12,815,907.06/17,685,890.24 = 6,935,537.90/x
  3. Step 3: Cross multiply
    12,815,907.06x = 17,685,890.24 × 6,935,537.90
  4. Step 4: Simplify right side
    12,815,907.06x = 122,661,162,054,760.09
  5. Step 5: Solve for x
    x = 122,661,162,054,760.09/12,815,907.06
  6. Step 6: Final answer
    x = 9,571,009.02

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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.