Home / 13,590,676.51-18,755,136.75-7,479,105.01

Finding the Fourth Proportional to 13,590,676.51, 18,755,136.75 and 7,479,105.01

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Solution

The fourth proportional to 13,590,676.51, 18,755,136.75 and 7,479,105.01 is: 10,321,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,676.51 : 18,755,136.75 = 7,479,105.01 : x
  2. Step 2: Convert to fraction form
    13,590,676.51/18,755,136.75 = 7,479,105.01/x
  3. Step 3: Cross multiply
    13,590,676.51x = 18,755,136.75 × 7,479,105.01
  4. Step 4: Simplify right side
    13,590,676.51x = 140,271,637,230,160.11
  5. Step 5: Solve for x
    x = 140,271,637,230,160.11/13,590,676.51
  6. Step 6: Final answer
    x = 10,321,166.66

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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.