Home / 7,116,820.20-10,675,230.30-2,628,167.40

Finding the Fourth Proportional to 7,116,820.20, 10,675,230.30 and 2,628,167.40

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Solution

The fourth proportional to 7,116,820.20, 10,675,230.30 and 2,628,167.40 is: 3,942,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,820.20 : 10,675,230.30 = 2,628,167.40 : x
  2. Step 2: Convert to fraction form
    7,116,820.20/10,675,230.30 = 2,628,167.40/x
  3. Step 3: Cross multiply
    7,116,820.20x = 10,675,230.30 × 2,628,167.40
  4. Step 4: Simplify right side
    7,116,820.20x = 28,056,292,261,952.22
  5. Step 5: Solve for x
    x = 28,056,292,261,952.22/7,116,820.20
  6. Step 6: Final answer
    x = 3,942,251.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.