Home / 6,918,796.40-10,386,067.80-4,080,507.80

Finding the Fourth Proportional to 6,918,796.40, 10,386,067.80 and 4,080,507.80

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Solution

The fourth proportional to 6,918,796.40, 10,386,067.80 and 4,080,507.80 is: 6,125,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,796.40 : 10,386,067.80 = 4,080,507.80 : x
  2. Step 2: Convert to fraction form
    6,918,796.40/10,386,067.80 = 4,080,507.80/x
  3. Step 3: Cross multiply
    6,918,796.40x = 10,386,067.80 × 4,080,507.80
  4. Step 4: Simplify right side
    6,918,796.40x = 42,380,430,669,228.84
  5. Step 5: Solve for x
    x = 42,380,430,669,228.84/6,918,796.40
  6. Step 6: Final answer
    x = 6,125,405.09

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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.