Home / 5,149,750.23-7,104,435.08-3,111,378.75

Finding the Fourth Proportional to 5,149,750.23, 7,104,435.08 and 3,111,378.75

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Solution

The fourth proportional to 5,149,750.23, 7,104,435.08 and 3,111,378.75 is: 4,292,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,750.23 : 7,104,435.08 = 3,111,378.75 : x
  2. Step 2: Convert to fraction form
    5,149,750.23/7,104,435.08 = 3,111,378.75/x
  3. Step 3: Cross multiply
    5,149,750.23x = 7,104,435.08 × 3,111,378.75
  4. Step 4: Simplify right side
    5,149,750.23x = 22,104,588,323,109.66
  5. Step 5: Solve for x
    x = 22,104,588,323,109.66/5,149,750.23
  6. Step 6: Final answer
    x = 4,292,361.25

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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.