Home / 11,961,690.93-17,916,287.59-9,888,858.91

Finding the Fourth Proportional to 11,961,690.93, 17,916,287.59 and 9,888,858.91

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Solution

The fourth proportional to 11,961,690.93, 17,916,287.59 and 9,888,858.91 is: 14,811,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961,690.93 : 17,916,287.59 = 9,888,858.91 : x
  2. Step 2: Convert to fraction form
    11,961,690.93/17,916,287.59 = 9,888,858.91/x
  3. Step 3: Cross multiply
    11,961,690.93x = 17,916,287.59 × 9,888,858.91
  4. Step 4: Simplify right side
    11,961,690.93x = 177,171,640,136,064.28
  5. Step 5: Solve for x
    x = 177,171,640,136,064.28/11,961,690.93
  6. Step 6: Final answer
    x = 14,811,588.19

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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.