Home / 30,560,061.92-42,171,996.94-16,809,022.40

Finding the Fourth Proportional to 30,560,061.92, 42,171,996.94 and 16,809,022.40

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Solution

The fourth proportional to 30,560,061.92, 42,171,996.94 and 16,809,022.40 is: 23,195,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560,061.92 : 42,171,996.94 = 16,809,022.40 : x
  2. Step 2: Convert to fraction form
    30,560,061.92/42,171,996.94 = 16,809,022.40/x
  3. Step 3: Cross multiply
    30,560,061.92x = 42,171,996.94 × 16,809,022.40
  4. Step 4: Simplify right side
    30,560,061.92x = 708,870,040,964,308.88
  5. Step 5: Solve for x
    x = 708,870,040,964,308.88/30,560,061.92
  6. Step 6: Final answer
    x = 23,195,962.20

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1.5x scale

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.