Home / 27,623,082.09-38,119,019.79-15,233,169.81

Finding the Fourth Proportional to 27,623,082.09, 38,119,019.79 and 15,233,169.81

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Solution

The fourth proportional to 27,623,082.09, 38,119,019.79 and 15,233,169.81 is: 21,021,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623,082.09 : 38,119,019.79 = 15,233,169.81 : x
  2. Step 2: Convert to fraction form
    27,623,082.09/38,119,019.79 = 15,233,169.81/x
  3. Step 3: Cross multiply
    27,623,082.09x = 38,119,019.79 × 15,233,169.81
  4. Step 4: Simplify right side
    27,623,082.09x = 580,673,501,451,820.50
  5. Step 5: Solve for x
    x = 580,673,501,451,820.50/27,623,082.09
  6. Step 6: Final answer
    x = 21,021,314.69

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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.