Home / 9,515,632.89-13,131,587.79-5,164,720.77

Finding the Fourth Proportional to 9,515,632.89, 13,131,587.79 and 5,164,720.77

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Solution

The fourth proportional to 9,515,632.89, 13,131,587.79 and 5,164,720.77 is: 7,127,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,632.89 : 13,131,587.79 = 5,164,720.77 : x
  2. Step 2: Convert to fraction form
    9,515,632.89/13,131,587.79 = 5,164,720.77/x
  3. Step 3: Cross multiply
    9,515,632.89x = 13,131,587.79 × 5,164,720.77
  4. Step 4: Simplify right side
    9,515,632.89x = 67,820,984,202,091.39
  5. Step 5: Solve for x
    x = 67,820,984,202,091.39/9,515,632.89
  6. Step 6: Final answer
    x = 7,127,322.48

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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.