Finding the Fourth Proportional to 26,218,930.51, 36,182,278.74 and 15,212,233.97
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Solution
The fourth proportional to 26,218,930.51, 36,182,278.74 and 15,212,233.97 is: 20,992,972.60
Step by Step Solution
- Step 1: Write the proportion equation
26,218,930.51 : 36,182,278.74 = 15,212,233.97 : x - Step 2: Convert to fraction form
26,218,930.51/36,182,278.74 = 15,212,233.97/x - Step 3: Cross multiply
26,218,930.51x = 36,182,278.74 × 15,212,233.97 - Step 4: Simplify right side
26,218,930.51x = 550,413,289,760,636.88 - Step 5: Solve for x
x = 550,413,289,760,636.88/26,218,930.51 - Step 6: Final answer
x = 20,992,972.60
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1.5x scale
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.