Home / 12,507,039.26-17,270,485.88-7,868,555.83

Finding the Fourth Proportional to 12,507,039.26, 17,270,485.88 and 7,868,555.83

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Solution

The fourth proportional to 12,507,039.26, 17,270,485.88 and 7,868,555.83 is: 10,865,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,039.26 : 17,270,485.88 = 7,868,555.83 : x
  2. Step 2: Convert to fraction form
    12,507,039.26/17,270,485.88 = 7,868,555.83/x
  3. Step 3: Cross multiply
    12,507,039.26x = 17,270,485.88 × 7,868,555.83
  4. Step 4: Simplify right side
    12,507,039.26x = 135,893,782,340,252
  5. Step 5: Solve for x
    x = 135,893,782,340,252/12,507,039.26
  6. Step 6: Final answer
    x = 10,865,383.85

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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.