Home / 7,828,012.80-11,743,188.48-2,778,900.48

Finding the Fourth Proportional to 7,828,012.80, 11,743,188.48 and 2,778,900.48

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Solution

The fourth proportional to 7,828,012.80, 11,743,188.48 and 2,778,900.48 is: 4,168,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,012.80 : 11,743,188.48 = 2,778,900.48 : x
  2. Step 2: Convert to fraction form
    7,828,012.80/11,743,188.48 = 2,778,900.48/x
  3. Step 3: Cross multiply
    7,828,012.80x = 11,743,188.48 × 2,778,900.48
  4. Step 4: Simplify right side
    7,828,012.80x = 32,633,152,103,802.47
  5. Step 5: Solve for x
    x = 32,633,152,103,802.47/7,828,012.80
  6. Step 6: Final answer
    x = 4,168,765.81

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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.