Finding the Fourth Proportional to 12,838,858.08, 17,707,292.76 and 11,286,801.36
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Solution
The fourth proportional to 12,838,858.08, 17,707,292.76 and 11,286,801.36 is: 15,566,703.42
Step by Step Solution
- Step 1: Write the proportion equation
12,838,858.08 : 17,707,292.76 = 11,286,801.36 : x - Step 2: Convert to fraction form
12,838,858.08/17,707,292.76 = 11,286,801.36/x - Step 3: Cross multiply
12,838,858.08x = 17,707,292.76 × 11,286,801.36 - Step 4: Simplify right side
12,838,858.08x = 199,858,696,005,486.16 - Step 5: Solve for x
x = 199,858,696,005,486.16/12,838,858.08 - Step 6: Final answer
x = 15,566,703.42
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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.