Home / 8,428,608.90-11,631,480.28-4,561,130.05

Finding the Fourth Proportional to 8,428,608.90, 11,631,480.28 and 4,561,130.05

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Solution

The fourth proportional to 8,428,608.90, 11,631,480.28 and 4,561,130.05 is: 6,294,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,608.90 : 11,631,480.28 = 4,561,130.05 : x
  2. Step 2: Convert to fraction form
    8,428,608.90/11,631,480.28 = 4,561,130.05/x
  3. Step 3: Cross multiply
    8,428,608.90x = 11,631,480.28 × 4,561,130.05
  4. Step 4: Simplify right side
    8,428,608.90x = 53,052,694,190,608.89
  5. Step 5: Solve for x
    x = 53,052,694,190,608.89/8,428,608.90
  6. Step 6: Final answer
    x = 6,294,359.46

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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.