Home / 39,303,556.20-58,963,628.70-12,379,933.80

Finding the Fourth Proportional to 39,303,556.20, 58,963,628.70 and 12,379,933.80

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Solution

The fourth proportional to 39,303,556.20, 58,963,628.70 and 12,379,933.80 is: 18,572,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303,556.20 : 58,963,628.70 = 12,379,933.80 : x
  2. Step 2: Convert to fraction form
    39,303,556.20/58,963,628.70 = 12,379,933.80/x
  3. Step 3: Cross multiply
    39,303,556.20x = 58,963,628.70 × 12,379,933.80
  4. Step 4: Simplify right side
    39,303,556.20x = 729,965,819,913,780.12
  5. Step 5: Solve for x
    x = 729,965,819,913,780.12/39,303,556.20
  6. Step 6: Final answer
    x = 18,572,513.29

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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.