Home / 20,117,583.28-30,180,874.47-7,338,088.54

Finding the Fourth Proportional to 20,117,583.28, 30,180,874.47 and 7,338,088.54

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Solution

The fourth proportional to 20,117,583.28, 30,180,874.47 and 7,338,088.54 is: 11,008,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,583.28 : 30,180,874.47 = 7,338,088.54 : x
  2. Step 2: Convert to fraction form
    20,117,583.28/30,180,874.47 = 7,338,088.54/x
  3. Step 3: Cross multiply
    20,117,583.28x = 30,180,874.47 × 7,338,088.54
  4. Step 4: Simplify right side
    20,117,583.28x = 221,469,929,075,485.56
  5. Step 5: Solve for x
    x = 221,469,929,075,485.56/20,117,583.28
  6. Step 6: Final answer
    x = 11,008,774.07

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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.