Home / 18,090,499.09-27,136,783.08-5,135,636.47

Finding the Fourth Proportional to 18,090,499.09, 27,136,783.08 and 5,135,636.47

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Solution

The fourth proportional to 18,090,499.09, 27,136,783.08 and 5,135,636.47 is: 7,703,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090,499.09 : 27,136,783.08 = 5,135,636.47 : x
  2. Step 2: Convert to fraction form
    18,090,499.09/27,136,783.08 = 5,135,636.47/x
  3. Step 3: Cross multiply
    18,090,499.09x = 27,136,783.08 × 5,135,636.47
  4. Step 4: Simplify right side
    18,090,499.09x = 139,364,652,702,764.83
  5. Step 5: Solve for x
    x = 139,364,652,702,764.83/18,090,499.09
  6. Step 6: Final answer
    x = 7,703,748.36

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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.