Finding the Fourth Proportional to 26,293,561.88, 39,619,815.57 and 21,606,252.26
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Solution
The fourth proportional to 26,293,561.88, 39,619,815.57 and 21,606,252.26 is: 32,556,856.83
Step by Step Solution
- Step 1: Write the proportion equation
26,293,561.88 : 39,619,815.57 = 21,606,252.26 : x - Step 2: Convert to fraction form
26,293,561.88/39,619,815.57 = 21,606,252.26/x - Step 3: Cross multiply
26,293,561.88x = 39,619,815.57 × 21,606,252.26 - Step 4: Simplify right side
26,293,561.88x = 856,035,729,501,996.62 - Step 5: Solve for x
x = 856,035,729,501,996.62/26,293,561.88 - Step 6: Final answer
x = 32,556,856.83
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.