Finding the Fourth Proportional to 7,878,481.56, 11,817,725.58 and 6,083,988.12
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Solution
The fourth proportional to 7,878,481.56, 11,817,725.58 and 6,083,988.12 is: 9,125,984.68
Step by Step Solution
- Step 1: Write the proportion equation
7,878,481.56 : 11,817,725.58 = 6,083,988.12 : x - Step 2: Convert to fraction form
7,878,481.56/11,817,725.58 = 6,083,988.12/x - Step 3: Cross multiply
7,878,481.56x = 11,817,725.58 × 6,083,988.12 - Step 4: Simplify right side
7,878,481.56x = 71,898,902,034,140.11 - Step 5: Solve for x
x = 71,898,902,034,140.11/7,878,481.56 - Step 6: Final answer
x = 9,125,984.68
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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.