Home / 30,945,440.45-42,705,731.68-17,007,289.62

Finding the Fourth Proportional to 30,945,440.45, 42,705,731.68 and 17,007,289.62

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Solution

The fourth proportional to 30,945,440.45, 42,705,731.68 and 17,007,289.62 is: 23,470,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,440.45 : 42,705,731.68 = 17,007,289.62 : x
  2. Step 2: Convert to fraction form
    30,945,440.45/42,705,731.68 = 17,007,289.62/x
  3. Step 3: Cross multiply
    30,945,440.45x = 42,705,731.68 × 17,007,289.62
  4. Step 4: Simplify right side
    30,945,440.45x = 726,308,747,073,251
  5. Step 5: Solve for x
    x = 726,308,747,073,251/30,945,440.45
  6. Step 6: Final answer
    x = 23,470,622.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.