Home / 8,786,921.70-13,177,837.59-2,638,655.22

Finding the Fourth Proportional to 8,786,921.70, 13,177,837.59 and 2,638,655.22

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Solution

The fourth proportional to 8,786,921.70, 13,177,837.59 and 2,638,655.22 is: 3,957,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786,921.70 : 13,177,837.59 = 2,638,655.22 : x
  2. Step 2: Convert to fraction form
    8,786,921.70/13,177,837.59 = 2,638,655.22/x
  3. Step 3: Cross multiply
    8,786,921.70x = 13,177,837.59 × 2,638,655.22
  4. Step 4: Simplify right side
    8,786,921.70x = 34,771,769,945,165.72
  5. Step 5: Solve for x
    x = 34,771,769,945,165.72/8,786,921.70
  6. Step 6: Final answer
    x = 3,957,218.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.