Home / 16,929,786.16-25,388,180.80-7,208,235.69

Finding the Fourth Proportional to 16,929,786.16, 25,388,180.80 and 7,208,235.69

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Solution

The fourth proportional to 16,929,786.16, 25,388,180.80 and 7,208,235.69 is: 10,809,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929,786.16 : 25,388,180.80 = 7,208,235.69 : x
  2. Step 2: Convert to fraction form
    16,929,786.16/25,388,180.80 = 7,208,235.69/x
  3. Step 3: Cross multiply
    16,929,786.16x = 25,388,180.80 × 7,208,235.69
  4. Step 4: Simplify right side
    16,929,786.16x = 183,003,990,833,506.50
  5. Step 5: Solve for x
    x = 183,003,990,833,506.50/16,929,786.16
  6. Step 6: Final answer
    x = 10,809,586.67

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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.