Home / 12,612,136.77-17,404,748.40-6,810,918.03

Finding the Fourth Proportional to 12,612,136.77, 17,404,748.40 and 6,810,918.03

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Solution

The fourth proportional to 12,612,136.77, 17,404,748.40 and 6,810,918.03 is: 9,399,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,136.77 : 17,404,748.40 = 6,810,918.03 : x
  2. Step 2: Convert to fraction form
    12,612,136.77/17,404,748.40 = 6,810,918.03/x
  3. Step 3: Cross multiply
    12,612,136.77x = 17,404,748.40 × 6,810,918.03
  4. Step 4: Simplify right side
    12,612,136.77x = 118,542,314,685,173.64
  5. Step 5: Solve for x
    x = 118,542,314,685,173.64/12,612,136.77
  6. Step 6: Final answer
    x = 9,399,066.70

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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.