Home / 8,428,999.29-11,632,055.67-4,561,520.79

Finding the Fourth Proportional to 8,428,999.29, 11,632,055.67 and 4,561,520.79

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Solution

The fourth proportional to 8,428,999.29, 11,632,055.67 and 4,561,520.79 is: 6,294,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,999.29 : 11,632,055.67 = 4,561,520.79 : x
  2. Step 2: Convert to fraction form
    8,428,999.29/11,632,055.67 = 4,561,520.79/x
  3. Step 3: Cross multiply
    8,428,999.29x = 11,632,055.67 × 4,561,520.79
  4. Step 4: Simplify right side
    8,428,999.29x = 53,059,863,786,465.49
  5. Step 5: Solve for x
    x = 53,059,863,786,465.49/8,428,999.29
  6. Step 6: Final answer
    x = 6,294,918.53

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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.