Home / 12,507,013.74-17,270,450.62-7,868,530.24

Finding the Fourth Proportional to 12,507,013.74, 17,270,450.62 and 7,868,530.24

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Solution

The fourth proportional to 12,507,013.74, 17,270,450.62 and 7,868,530.24 is: 10,865,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,013.74 : 17,270,450.62 = 7,868,530.24 : x
  2. Step 2: Convert to fraction form
    12,507,013.74/17,270,450.62 = 7,868,530.24/x
  3. Step 3: Cross multiply
    12,507,013.74x = 17,270,450.62 × 7,868,530.24
  4. Step 4: Simplify right side
    12,507,013.74x = 135,893,062,961,896.77
  5. Step 5: Solve for x
    x = 135,893,062,961,896.77/12,507,013.74
  6. Step 6: Final answer
    x = 10,865,348.50

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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.