Finding the Fourth Proportional to 19,707,774.98, 27,192,784.64 and 11,004,608.48
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Solution
The fourth proportional to 19,707,774.98, 27,192,784.64 and 11,004,608.48 is: 15,184,156.94
Step by Step Solution
- Step 1: Write the proportion equation
19,707,774.98 : 27,192,784.64 = 11,004,608.48 : x - Step 2: Convert to fraction form
19,707,774.98/27,192,784.64 = 11,004,608.48/x - Step 3: Cross multiply
19,707,774.98x = 27,192,784.64 × 11,004,608.48 - Step 4: Simplify right side
19,707,774.98x = 299,245,948,253,170.81 - Step 5: Solve for x
x = 299,245,948,253,170.81/19,707,774.98 - Step 6: Final answer
x = 15,184,156.94
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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.