Finding the Fourth Proportional to 11,179,341.07, 15,416,531.18 and 7,097,874.19
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Solution
The fourth proportional to 11,179,341.07, 15,416,531.18 and 7,097,874.19 is: 9,788,108.09
Step by Step Solution
- Step 1: Write the proportion equation
11,179,341.07 : 15,416,531.18 = 7,097,874.19 : x - Step 2: Convert to fraction form
11,179,341.07/15,416,531.18 = 7,097,874.19/x - Step 3: Cross multiply
11,179,341.07x = 15,416,531.18 × 7,097,874.19 - Step 4: Simplify right side
11,179,341.07x = 109,424,598,714,438.58 - Step 5: Solve for x
x = 109,424,598,714,438.58/11,179,341.07 - Step 6: Final answer
x = 9,788,108.09
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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.