Finding the Fourth Proportional to 7,683,772.96, 10,604,245.20 and 4,246,684.96
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Solution
The fourth proportional to 7,683,772.96, 10,604,245.20 and 4,246,684.96 is: 5,860,778.14
Step by Step Solution
- Step 1: Write the proportion equation
7,683,772.96 : 10,604,245.20 = 4,246,684.96 : x - Step 2: Convert to fraction form
7,683,772.96/10,604,245.20 = 4,246,684.96/x - Step 3: Cross multiply
7,683,772.96x = 10,604,245.20 × 4,246,684.96 - Step 4: Simplify right side
7,683,772.96x = 45,032,888,602,992.19 - Step 5: Solve for x
x = 45,032,888,602,992.19/7,683,772.96 - Step 6: Final answer
x = 5,860,778.14
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1.5x scale
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.