Home / 9,515,611.13-13,131,557.78-5,164,699.02

Finding the Fourth Proportional to 9,515,611.13, 13,131,557.78 and 5,164,699.02

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Solution

The fourth proportional to 9,515,611.13, 13,131,557.78 and 5,164,699.02 is: 7,127,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,611.13 : 13,131,557.78 = 5,164,699.02 : x
  2. Step 2: Convert to fraction form
    9,515,611.13/13,131,557.78 = 5,164,699.02/x
  3. Step 3: Cross multiply
    9,515,611.13x = 13,131,557.78 × 5,164,699.02
  4. Step 4: Simplify right side
    9,515,611.13x = 67,820,543,571,615.88
  5. Step 5: Solve for x
    x = 67,820,543,571,615.88/9,515,611.13
  6. Step 6: Final answer
    x = 7,127,292.48

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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.