Home / 6,550,939.42-9,040,969.10-3,938,289.32

Finding the Fourth Proportional to 6,550,939.42, 9,040,969.10 and 3,938,289.32

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Solution

The fourth proportional to 6,550,939.42, 9,040,969.10 and 3,938,289.32 is: 5,435,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550,939.42 : 9,040,969.10 = 3,938,289.32 : x
  2. Step 2: Convert to fraction form
    6,550,939.42/9,040,969.10 = 3,938,289.32/x
  3. Step 3: Cross multiply
    6,550,939.42x = 9,040,969.10 × 3,938,289.32
  4. Step 4: Simplify right side
    6,550,939.42x = 35,605,952,048,980.01
  5. Step 5: Solve for x
    x = 35,605,952,048,980.01/6,550,939.42
  6. Step 6: Final answer
    x = 5,435,243.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.