Home / 8,428,606.99-11,631,477.66-4,561,128.15

Finding the Fourth Proportional to 8,428,606.99, 11,631,477.66 and 4,561,128.15

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Solution

The fourth proportional to 8,428,606.99, 11,631,477.66 and 4,561,128.15 is: 6,294,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,606.99 : 11,631,477.66 = 4,561,128.15 : x
  2. Step 2: Convert to fraction form
    8,428,606.99/11,631,477.66 = 4,561,128.15/x
  3. Step 3: Cross multiply
    8,428,606.99x = 11,631,477.66 × 4,561,128.15
  4. Step 4: Simplify right side
    8,428,606.99x = 53,052,660,181,122.13
  5. Step 5: Solve for x
    x = 53,052,660,181,122.13/8,428,606.99
  6. Step 6: Final answer
    x = 6,294,356.85

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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.