Home / 14,012,912.70-21,019,369.05-3,915,533.70

Finding the Fourth Proportional to 14,012,912.70, 21,019,369.05 and 3,915,533.70

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Solution

The fourth proportional to 14,012,912.70, 21,019,369.05 and 3,915,533.70 is: 5,873,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,912.70 : 21,019,369.05 = 3,915,533.70 : x
  2. Step 2: Convert to fraction form
    14,012,912.70/21,019,369.05 = 3,915,533.70/x
  3. Step 3: Cross multiply
    14,012,912.70x = 21,019,369.05 × 3,915,533.70
  4. Step 4: Simplify right side
    14,012,912.70x = 82,302,047,868,011.98
  5. Step 5: Solve for x
    x = 82,302,047,868,011.98/14,012,912.70
  6. Step 6: Final answer
    x = 5,873,300.55

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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.