Home / 12,507,015.86-17,270,453.54-7,868,532.36

Finding the Fourth Proportional to 12,507,015.86, 17,270,453.54 and 7,868,532.36

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Solution

The fourth proportional to 12,507,015.86, 17,270,453.54 and 7,868,532.36 is: 10,865,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,015.86 : 17,270,453.54 = 7,868,532.36 : x
  2. Step 2: Convert to fraction form
    12,507,015.86/17,270,453.54 = 7,868,532.36/x
  3. Step 3: Cross multiply
    12,507,015.86x = 17,270,453.54 × 7,868,532.36
  4. Step 4: Simplify right side
    12,507,015.86x = 135,893,122,571,037.89
  5. Step 5: Solve for x
    x = 135,893,122,571,037.89/12,507,015.86
  6. Step 6: Final answer
    x = 10,865,351.43

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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.