Home / 30,945,440.32-42,705,731.50-17,007,289.48

Finding the Fourth Proportional to 30,945,440.32, 42,705,731.50 and 17,007,289.48

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Solution

The fourth proportional to 30,945,440.32, 42,705,731.50 and 17,007,289.48 is: 23,470,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,440.32 : 42,705,731.50 = 17,007,289.48 : x
  2. Step 2: Convert to fraction form
    30,945,440.32/42,705,731.50 = 17,007,289.48/x
  3. Step 3: Cross multiply
    30,945,440.32x = 42,705,731.50 × 17,007,289.48
  4. Step 4: Simplify right side
    30,945,440.32x = 726,308,738,075,654.62
  5. Step 5: Solve for x
    x = 726,308,738,075,654.62/30,945,440.32
  6. Step 6: Final answer
    x = 23,470,622.18

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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.