Home / 12,507,009.22-17,270,444.38-7,868,525.74

Finding the Fourth Proportional to 12,507,009.22, 17,270,444.38 and 7,868,525.74

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Solution

The fourth proportional to 12,507,009.22, 17,270,444.38 and 7,868,525.74 is: 10,865,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,009.22 : 17,270,444.38 = 7,868,525.74 : x
  2. Step 2: Convert to fraction form
    12,507,009.22/17,270,444.38 = 7,868,525.74/x
  3. Step 3: Cross multiply
    12,507,009.22x = 17,270,444.38 × 7,868,525.74
  4. Step 4: Simplify right side
    12,507,009.22x = 135,892,936,145,268.34
  5. Step 5: Solve for x
    x = 135,892,936,145,268.34/12,507,009.22
  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.