Home / 9,528,720-13,149,705.93-5,177,829.75

Finding the Fourth Proportional to 9,528,720, 13,149,705.93 and 5,177,829.75

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Solution

The fourth proportional to 9,528,720, 13,149,705.93 and 5,177,829.75 is: 7,145,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528,720 : 13,149,705.93 = 5,177,829.75 : x
  2. Step 2: Convert to fraction form
    9,528,720/13,149,705.93 = 5,177,829.75/x
  3. Step 3: Cross multiply
    9,528,720x = 13,149,705.93 × 5,177,829.75
  4. Step 4: Simplify right side
    9,528,720x = 68,086,938,568,105.41
  5. Step 5: Solve for x
    x = 68,086,938,568,105.41/9,528,720
  6. Step 6: Final answer
    x = 7,145,444.36

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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.