Home / 9,515,190.51-13,130,975.89-5,164,276.88

Finding the Fourth Proportional to 9,515,190.51, 13,130,975.89 and 5,164,276.88

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Solution

The fourth proportional to 9,515,190.51, 13,130,975.89 and 5,164,276.88 is: 7,126,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,190.51 : 13,130,975.89 = 5,164,276.88 : x
  2. Step 2: Convert to fraction form
    9,515,190.51/13,130,975.89 = 5,164,276.88/x
  3. Step 3: Cross multiply
    9,515,190.51x = 13,130,975.89 × 5,164,276.88
  4. Step 4: Simplify right side
    9,515,190.51x = 67,811,995,188,394.39
  5. Step 5: Solve for x
    x = 67,811,995,188,394.39/9,515,190.51
  6. Step 6: Final answer
    x = 7,126,709.14

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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.