Finding the Fourth Proportional to 26,218,932.51, 36,182,281.50 and 15,212,235.97
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Solution
The fourth proportional to 26,218,932.51, 36,182,281.50 and 15,212,235.97 is: 20,992,975.36
Step by Step Solution
- Step 1: Write the proportion equation
26,218,932.51 : 36,182,281.50 = 15,212,235.97 : x - Step 2: Convert to fraction form
26,218,932.51/36,182,281.50 = 15,212,235.97/x - Step 3: Cross multiply
26,218,932.51x = 36,182,281.50 × 15,212,235.97 - Step 4: Simplify right side
26,218,932.51x = 550,413,404,110,965.56 - Step 5: Solve for x
x = 550,413,404,110,965.56/26,218,932.51 - Step 6: Final answer
x = 20,992,975.36
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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.