Home / 13,185,816.80-19,777,959.14-3,963,590.15

Finding the Fourth Proportional to 13,185,816.80, 19,777,959.14 and 3,963,590.15

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Solution

The fourth proportional to 13,185,816.80, 19,777,959.14 and 3,963,590.15 is: 5,945,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,816.80 : 19,777,959.14 = 3,963,590.15 : x
  2. Step 2: Convert to fraction form
    13,185,816.80/19,777,959.14 = 3,963,590.15/x
  3. Step 3: Cross multiply
    13,185,816.80x = 19,777,959.14 × 3,963,590.15
  4. Step 4: Simplify right side
    13,185,816.80x = 78,391,723,915,698.73
  5. Step 5: Solve for x
    x = 78,391,723,915,698.73/13,185,816.80
  6. Step 6: Final answer
    x = 5,945,154.94

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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.