Finding the Fourth Proportional to 7,175,602.66, 10,768,447.86 and 6,489,545.62
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Solution
The fourth proportional to 7,175,602.66, 10,768,447.86 and 6,489,545.62 is: 9,738,880.06
Step by Step Solution
- Step 1: Write the proportion equation
7,175,602.66 : 10,768,447.86 = 6,489,545.62 : x - Step 2: Convert to fraction form
7,175,602.66/10,768,447.86 = 6,489,545.62/x - Step 3: Cross multiply
7,175,602.66x = 10,768,447.86 × 6,489,545.62 - Step 4: Simplify right side
7,175,602.66x = 69,882,333,644,061.37 - Step 5: Solve for x
x = 69,882,333,644,061.37/7,175,602.66 - Step 6: Final answer
x = 9,738,880.06
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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.