Home / 11,355,847.40-17,033,771.10-7,772,666.60

Finding the Fourth Proportional to 11,355,847.40, 17,033,771.10 and 7,772,666.60

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Solution

The fourth proportional to 11,355,847.40, 17,033,771.10 and 7,772,666.60 is: 11,658,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355,847.40 : 17,033,771.10 = 7,772,666.60 : x
  2. Step 2: Convert to fraction form
    11,355,847.40/17,033,771.10 = 7,772,666.60/x
  3. Step 3: Cross multiply
    11,355,847.40x = 17,033,771.10 × 7,772,666.60
  4. Step 4: Simplify right side
    11,355,847.40x = 132,397,823,701,015.27
  5. Step 5: Solve for x
    x = 132,397,823,701,015.27/11,355,847.40
  6. Step 6: Final answer
    x = 11,658,999.90

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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.