Home / 20,571,048.05-30,861,709.38-14,517,602.75

Finding the Fourth Proportional to 20,571,048.05, 30,861,709.38 and 14,517,602.75

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Solution

The fourth proportional to 20,571,048.05, 30,861,709.38 and 14,517,602.75 is: 21,780,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,048.05 : 30,861,709.38 = 14,517,602.75 : x
  2. Step 2: Convert to fraction form
    20,571,048.05/30,861,709.38 = 14,517,602.75/x
  3. Step 3: Cross multiply
    20,571,048.05x = 30,861,709.38 × 14,517,602.75
  4. Step 4: Simplify right side
    20,571,048.05x = 448,038,036,810,480.19
  5. Step 5: Solve for x
    x = 448,038,036,810,480.19/20,571,048.05
  6. Step 6: Final answer
    x = 21,780,029.67

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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.