Finding the Fourth Proportional to 8,980,691.97, 13,479,554.52 and 5,558,627.13
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Solution
The fourth proportional to 8,980,691.97, 13,479,554.52 and 5,558,627.13 is: 8,343,212.05
Step by Step Solution
- Step 1: Write the proportion equation
8,980,691.97 : 13,479,554.52 = 5,558,627.13 : x - Step 2: Convert to fraction form
8,980,691.97/13,479,554.52 = 5,558,627.13/x - Step 3: Cross multiply
8,980,691.97x = 13,479,554.52 × 5,558,627.13 - Step 4: Simplify right side
8,980,691.97x = 74,927,817,455,186.12 - Step 5: Solve for x
x = 74,927,817,455,186.12/8,980,691.97 - Step 6: Final answer
x = 8,343,212.05
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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.