Finding the Fourth Proportional to 18,323,886.08, 27,479,725.88 and 7,391,252.09
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Solution
The fourth proportional to 18,323,886.08, 27,479,725.88 and 7,391,252.09 is: 11,084,416.29
Step by Step Solution
- Step 1: Write the proportion equation
18,323,886.08 : 27,479,725.88 = 7,391,252.09 : x - Step 2: Convert to fraction form
18,323,886.08/27,479,725.88 = 7,391,252.09/x - Step 3: Cross multiply
18,323,886.08x = 27,479,725.88 × 7,391,252.09 - Step 4: Simplify right side
18,323,886.08x = 203,109,581,374,920.16 - Step 5: Solve for x
x = 203,109,581,374,920.16/18,323,886.08 - Step 6: Final answer
x = 11,084,416.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.