Home / 19,963,390.80-29,945,086.20-8,004,709.20

Finding the Fourth Proportional to 19,963,390.80, 29,945,086.20 and 8,004,709.20

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Solution

The fourth proportional to 19,963,390.80, 29,945,086.20 and 8,004,709.20 is: 12,007,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,390.80 : 29,945,086.20 = 8,004,709.20 : x
  2. Step 2: Convert to fraction form
    19,963,390.80/29,945,086.20 = 8,004,709.20/x
  3. Step 3: Cross multiply
    19,963,390.80x = 29,945,086.20 × 8,004,709.20
  4. Step 4: Simplify right side
    19,963,390.80x = 239,701,706,999,933.03
  5. Step 5: Solve for x
    x = 239,701,706,999,933.03/19,963,390.80
  6. Step 6: Final answer
    x = 12,007,063.80

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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.