Finding the Fourth Proportional to 19,557,991.08, 26,991,736.38 and 11,411,853.48
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Solution
The fourth proportional to 19,557,991.08, 26,991,736.38 and 11,411,853.48 is: 15,749,354.80
Step by Step Solution
- Step 1: Write the proportion equation
19,557,991.08 : 26,991,736.38 = 11,411,853.48 : x - Step 2: Convert to fraction form
19,557,991.08/26,991,736.38 = 11,411,853.48/x - Step 3: Cross multiply
19,557,991.08x = 26,991,736.38 × 11,411,853.48 - Step 4: Simplify right side
19,557,991.08x = 308,025,740,739,345.62 - Step 5: Solve for x
x = 308,025,740,739,345.62/19,557,991.08 - Step 6: Final answer
x = 15,749,354.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.