Home / 8,491,666.77-11,718,192.33-5,189,485.59

Finding the Fourth Proportional to 8,491,666.77, 11,718,192.33 and 5,189,485.59

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Solution

The fourth proportional to 8,491,666.77, 11,718,192.33 and 5,189,485.59 is: 7,161,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,666.77 : 11,718,192.33 = 5,189,485.59 : x
  2. Step 2: Convert to fraction form
    8,491,666.77/11,718,192.33 = 5,189,485.59/x
  3. Step 3: Cross multiply
    8,491,666.77x = 11,718,192.33 × 5,189,485.59
  4. Step 4: Simplify right side
    8,491,666.77x = 60,811,390,237,383.52
  5. Step 5: Solve for x
    x = 60,811,390,237,383.52/8,491,666.77
  6. Step 6: Final answer
    x = 7,161,302.00

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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.