Home / 28,965,729.80-43,448,594.70-18,888,033.80

Finding the Fourth Proportional to 28,965,729.80, 43,448,594.70 and 18,888,033.80

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Solution

The fourth proportional to 28,965,729.80, 43,448,594.70 and 18,888,033.80 is: 28,332,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,729.80 : 43,448,594.70 = 18,888,033.80 : x
  2. Step 2: Convert to fraction form
    28,965,729.80/43,448,594.70 = 18,888,033.80/x
  3. Step 3: Cross multiply
    28,965,729.80x = 43,448,594.70 × 18,888,033.80
  4. Step 4: Simplify right side
    28,965,729.80x = 820,658,525,256,101
  5. Step 5: Solve for x
    x = 820,658,525,256,101/28,965,729.80
  6. Step 6: Final answer
    x = 28,332,050.70

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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.