Finding the Fourth Proportional to 7,165,359.84, 9,888,128.52 and 3,902,229
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Solution
The fourth proportional to 7,165,359.84, 9,888,128.52 and 3,902,229 is: 5,385,038.96
Step by Step Solution
- Step 1: Write the proportion equation
7,165,359.84 : 9,888,128.52 = 3,902,229 : x - Step 2: Convert to fraction form
7,165,359.84/9,888,128.52 = 3,902,229/x - Step 3: Cross multiply
7,165,359.84x = 9,888,128.52 × 3,902,229 - Step 4: Simplify right side
7,165,359.84x = 38,585,741,866,471.08 - Step 5: Solve for x
x = 38,585,741,866,471.08/7,165,359.84 - Step 6: Final answer
x = 5,385,038.96
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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.