Home / 6,720,014.40-10,080,021.60-6,135,429.30

Finding the Fourth Proportional to 6,720,014.40, 10,080,021.60 and 6,135,429.30

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Solution

The fourth proportional to 6,720,014.40, 10,080,021.60 and 6,135,429.30 is: 9,203,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,014.40 : 10,080,021.60 = 6,135,429.30 : x
  2. Step 2: Convert to fraction form
    6,720,014.40/10,080,021.60 = 6,135,429.30/x
  3. Step 3: Cross multiply
    6,720,014.40x = 10,080,021.60 × 6,135,429.30
  4. Step 4: Simplify right side
    6,720,014.40x = 61,845,259,869,272.88
  5. Step 5: Solve for x
    x = 61,845,259,869,272.88/6,720,014.40
  6. Step 6: Final answer
    x = 9,203,143.95

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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.