Finding the Fourth Proportional to 7,175,377.04, 9,902,097.75 and 3,912,165.29
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Solution
The fourth proportional to 7,175,377.04, 9,902,097.75 and 3,912,165.29 is: 5,398,830.32
Step by Step Solution
- Step 1: Write the proportion equation
7,175,377.04 : 9,902,097.75 = 3,912,165.29 : x - Step 2: Convert to fraction form
7,175,377.04/9,902,097.75 = 3,912,165.29/x - Step 3: Cross multiply
7,175,377.04x = 9,902,097.75 × 3,912,165.29 - Step 4: Simplify right side
7,175,377.04x = 38,738,643,115,737.10 - Step 5: Solve for x
x = 38,738,643,115,737.10/7,175,377.04 - Step 6: Final answer
x = 5,398,830.32
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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.