Home / 8,143,340.40-12,209,995.08-2,751,481.44

Finding the Fourth Proportional to 8,143,340.40, 12,209,995.08 and 2,751,481.44

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Solution

The fourth proportional to 8,143,340.40, 12,209,995.08 and 2,751,481.44 is: 4,125,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,340.40 : 12,209,995.08 = 2,751,481.44 : x
  2. Step 2: Convert to fraction form
    8,143,340.40/12,209,995.08 = 2,751,481.44/x
  3. Step 3: Cross multiply
    8,143,340.40x = 12,209,995.08 × 2,751,481.44
  4. Step 4: Simplify right side
    8,143,340.40x = 33,595,574,845,111.32
  5. Step 5: Solve for x
    x = 33,595,574,845,111.32/8,143,340.40
  6. Step 6: Final answer
    x = 4,125,527.51

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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.