Home / 20,202,509.70-30,303,764.55-14,144,082.30

Finding the Fourth Proportional to 20,202,509.70, 30,303,764.55 and 14,144,082.30

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Solution

The fourth proportional to 20,202,509.70, 30,303,764.55 and 14,144,082.30 is: 21,216,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202,509.70 : 30,303,764.55 = 14,144,082.30 : x
  2. Step 2: Convert to fraction form
    20,202,509.70/30,303,764.55 = 14,144,082.30/x
  3. Step 3: Cross multiply
    20,202,509.70x = 30,303,764.55 × 14,144,082.30
  4. Step 4: Simplify right side
    20,202,509.70x = 428,618,939,795,022.50
  5. Step 5: Solve for x
    x = 428,618,939,795,022.50/20,202,509.70
  6. Step 6: Final answer
    x = 21,216,123.45

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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.