Home / 12,882,416.17-17,777,629.52-7,081,136.23

Finding the Fourth Proportional to 12,882,416.17, 17,777,629.52 and 7,081,136.23

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Solution

The fourth proportional to 12,882,416.17, 17,777,629.52 and 7,081,136.23 is: 9,771,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,416.17 : 17,777,629.52 = 7,081,136.23 : x
  2. Step 2: Convert to fraction form
    12,882,416.17/17,777,629.52 = 7,081,136.23/x
  3. Step 3: Cross multiply
    12,882,416.17x = 17,777,629.52 × 7,081,136.23
  4. Step 4: Simplify right side
    12,882,416.17x = 125,885,816,424,294.02
  5. Step 5: Solve for x
    x = 125,885,816,424,294.02/12,882,416.17
  6. Step 6: Final answer
    x = 9,771,910.39

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1.5x scale

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.