Home / 13,988,338.56-20,980,670.64-4,403,767.20

Finding the Fourth Proportional to 13,988,338.56, 20,980,670.64 and 4,403,767.20

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Solution

The fourth proportional to 13,988,338.56, 20,980,670.64 and 4,403,767.20 is: 6,605,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,338.56 : 20,980,670.64 = 4,403,767.20 : x
  2. Step 2: Convert to fraction form
    13,988,338.56/20,980,670.64 = 4,403,767.20/x
  3. Step 3: Cross multiply
    13,988,338.56x = 20,980,670.64 × 4,403,767.20
  4. Step 4: Simplify right side
    13,988,338.56x = 92,393,989,198,435.02
  5. Step 5: Solve for x
    x = 92,393,989,198,435.02/13,988,338.56
  6. Step 6: Final answer
    x = 6,605,072.42

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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.