Finding the Fourth Proportional to 17,997,628.90, 26,998,811.35 and 6,646,051.30
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Solution
The fourth proportional to 17,997,628.90, 26,998,811.35 and 6,646,051.30 is: 9,969,951.39
Step by Step Solution
- Step 1: Write the proportion equation
17,997,628.90 : 26,998,811.35 = 6,646,051.30 : x - Step 2: Convert to fraction form
17,997,628.90/26,998,811.35 = 6,646,051.30/x - Step 3: Cross multiply
17,997,628.90x = 26,998,811.35 × 6,646,051.30 - Step 4: Simplify right side
17,997,628.90x = 179,435,485,271,122.25 - Step 5: Solve for x
x = 179,435,485,271,122.25/17,997,628.90 - Step 6: Final answer
x = 9,969,951.39
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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.