Finding the Fourth Proportional to 26,858,670.39, 40,297,980.87 and 18,656,991.09
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Solution
The fourth proportional to 26,858,670.39, 40,297,980.87 and 18,656,991.09 is: 27,992,415.82
Step by Step Solution
- Step 1: Write the proportion equation
26,858,670.39 : 40,297,980.87 = 18,656,991.09 : x - Step 2: Convert to fraction form
26,858,670.39/40,297,980.87 = 18,656,991.09/x - Step 3: Cross multiply
26,858,670.39x = 40,297,980.87 × 18,656,991.09 - Step 4: Simplify right side
26,858,670.39x = 751,839,070,036,580.38 - Step 5: Solve for x
x = 751,839,070,036,580.38/26,858,670.39 - Step 6: Final answer
x = 27,992,415.82
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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.