Home / 20,996,061.78-31,494,093.06-5,039,709.78

Finding the Fourth Proportional to 20,996,061.78, 31,494,093.06 and 5,039,709.78

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Solution

The fourth proportional to 20,996,061.78, 31,494,093.06 and 5,039,709.78 is: 7,559,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,061.78 : 31,494,093.06 = 5,039,709.78 : x
  2. Step 2: Convert to fraction form
    20,996,061.78/31,494,093.06 = 5,039,709.78/x
  3. Step 3: Cross multiply
    20,996,061.78x = 31,494,093.06 × 5,039,709.78
  4. Step 4: Simplify right side
    20,996,061.78x = 158,721,088,806,712.12
  5. Step 5: Solve for x
    x = 158,721,088,806,712.12/20,996,061.78
  6. Step 6: Final answer
    x = 7,559,564.76

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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.