Home / 12,914,275.40-17,821,820.60-7,113,078.44

Finding the Fourth Proportional to 12,914,275.40, 17,821,820.60 and 7,113,078.44

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Solution

The fourth proportional to 12,914,275.40, 17,821,820.60 and 7,113,078.44 is: 9,816,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,275.40 : 17,821,820.60 = 7,113,078.44 : x
  2. Step 2: Convert to fraction form
    12,914,275.40/17,821,820.60 = 7,113,078.44/x
  3. Step 3: Cross multiply
    12,914,275.40x = 17,821,820.60 × 7,113,078.44
  4. Step 4: Simplify right side
    12,914,275.40x = 126,768,007,871,407.88
  5. Step 5: Solve for x
    x = 126,768,007,871,407.88/12,914,275.40
  6. Step 6: Final answer
    x = 9,816,114.64

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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.