Home / 27,507,900.87-37,961,757.45-15,117,769.14

Finding the Fourth Proportional to 27,507,900.87, 37,961,757.45 and 15,117,769.14

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Solution

The fourth proportional to 27,507,900.87, 37,961,757.45 and 15,117,769.14 is: 20,862,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507,900.87 : 37,961,757.45 = 15,117,769.14 : x
  2. Step 2: Convert to fraction form
    27,507,900.87/37,961,757.45 = 15,117,769.14/x
  3. Step 3: Cross multiply
    27,507,900.87x = 37,961,757.45 × 15,117,769.14
  4. Step 4: Simplify right side
    27,507,900.87x = 573,897,085,277,775.12
  5. Step 5: Solve for x
    x = 573,897,085,277,775.12/27,507,900.87
  6. Step 6: Final answer
    x = 20,862,990.89

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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.