Home / 13,213,489.12-19,816,953.15-3,628,393

Finding the Fourth Proportional to 13,213,489.12, 19,816,953.15 and 3,628,393

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Solution

The fourth proportional to 13,213,489.12, 19,816,953.15 and 3,628,393 is: 5,441,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,489.12 : 19,816,953.15 = 3,628,393 : x
  2. Step 2: Convert to fraction form
    13,213,489.12/19,816,953.15 = 3,628,393/x
  3. Step 3: Cross multiply
    13,213,489.12x = 19,816,953.15 × 3,628,393
  4. Step 4: Simplify right side
    13,213,489.12x = 71,903,694,090,787.94
  5. Step 5: Solve for x
    x = 71,903,694,090,787.94/13,213,489.12
  6. Step 6: Final answer
    x = 5,441,688.67

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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.