Home / 9,954,435.90-13,729,786.74-7,507,149.96

Finding the Fourth Proportional to 9,954,435.90, 13,729,786.74 and 7,507,149.96

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Solution

The fourth proportional to 9,954,435.90, 13,729,786.74 and 7,507,149.96 is: 10,354,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954,435.90 : 13,729,786.74 = 7,507,149.96 : x
  2. Step 2: Convert to fraction form
    9,954,435.90/13,729,786.74 = 7,507,149.96/x
  3. Step 3: Cross multiply
    9,954,435.90x = 13,729,786.74 × 7,507,149.96
  4. Step 4: Simplify right side
    9,954,435.90x = 103,071,567,975,999.53
  5. Step 5: Solve for x
    x = 103,071,567,975,999.53/9,954,435.90
  6. Step 6: Final answer
    x = 10,354,335.39

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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.