Home / 18,090,500.09-27,136,784.58-5,135,637.47

Finding the Fourth Proportional to 18,090,500.09, 27,136,784.58 and 5,135,637.47

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Solution

The fourth proportional to 18,090,500.09, 27,136,784.58 and 5,135,637.47 is: 7,703,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090,500.09 : 27,136,784.58 = 5,135,637.47 : x
  2. Step 2: Convert to fraction form
    18,090,500.09/27,136,784.58 = 5,135,637.47/x
  3. Step 3: Cross multiply
    18,090,500.09x = 27,136,784.58 × 5,135,637.47
  4. Step 4: Simplify right side
    18,090,500.09x = 139,364,687,543,004.09
  5. Step 5: Solve for x
    x = 139,364,687,543,004.09/18,090,500.09
  6. Step 6: Final answer
    x = 7,703,749.86

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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.