Home / 13,780,969.44-20,671,460.64-6,199,077.12

Finding the Fourth Proportional to 13,780,969.44, 20,671,460.64 and 6,199,077.12

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Solution

The fourth proportional to 13,780,969.44, 20,671,460.64 and 6,199,077.12 is: 9,298,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,969.44 : 20,671,460.64 = 6,199,077.12 : x
  2. Step 2: Convert to fraction form
    13,780,969.44/20,671,460.64 = 6,199,077.12/x
  3. Step 3: Cross multiply
    13,780,969.44x = 20,671,460.64 × 6,199,077.12
  4. Step 4: Simplify right side
    13,780,969.44x = 128,143,978,690,404.56
  5. Step 5: Solve for x
    x = 128,143,978,690,404.56/13,780,969.44
  6. Step 6: Final answer
    x = 9,298,618.59

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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.