Home / 20,808,002.70-31,212,004.05-17,025,756.30

Finding the Fourth Proportional to 20,808,002.70, 31,212,004.05 and 17,025,756.30

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Solution

The fourth proportional to 20,808,002.70, 31,212,004.05 and 17,025,756.30 is: 25,538,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,002.70 : 31,212,004.05 = 17,025,756.30 : x
  2. Step 2: Convert to fraction form
    20,808,002.70/31,212,004.05 = 17,025,756.30/x
  3. Step 3: Cross multiply
    20,808,002.70x = 31,212,004.05 × 17,025,756.30
  4. Step 4: Simplify right side
    20,808,002.70x = 531,407,974,589,913.06
  5. Step 5: Solve for x
    x = 531,407,974,589,913.06/20,808,002.70
  6. Step 6: Final answer
    x = 25,538,634.45

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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.