Home / 7,770,848.60-11,651,607.30-3,991,712.60

Finding the Fourth Proportional to 7,770,848.60, 11,651,607.30 and 3,991,712.60

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Solution

The fourth proportional to 7,770,848.60, 11,651,607.30 and 3,991,712.60 is: 5,985,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,848.60 : 11,651,607.30 = 3,991,712.60 : x
  2. Step 2: Convert to fraction form
    7,770,848.60/11,651,607.30 = 3,991,712.60/x
  3. Step 3: Cross multiply
    7,770,848.60x = 11,651,607.30 × 3,991,712.60
  4. Step 4: Simplify right side
    7,770,848.60x = 46,509,867,669,661.98
  5. Step 5: Solve for x
    x = 46,509,867,669,661.98/7,770,848.60
  6. Step 6: Final answer
    x = 5,985,172.28

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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.