Home / 12,507,009.23-17,270,444.38-7,868,525.75

Finding the Fourth Proportional to 12,507,009.23, 17,270,444.38 and 7,868,525.75

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Solution

The fourth proportional to 12,507,009.23, 17,270,444.38 and 7,868,525.75 is: 10,865,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,009.23 : 17,270,444.38 = 7,868,525.75 : x
  2. Step 2: Convert to fraction form
    12,507,009.23/17,270,444.38 = 7,868,525.75/x
  3. Step 3: Cross multiply
    12,507,009.23x = 17,270,444.38 × 7,868,525.75
  4. Step 4: Simplify right side
    12,507,009.23x = 135,892,936,317,972.78
  5. Step 5: Solve for x
    x = 135,892,936,317,972.78/12,507,009.23
  6. Step 6: Final answer
    x = 10,865,342.29

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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.