Finding the Fourth Proportional to 7,737,270.42, 10,677,529.92 and 4,252,989.60
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Solution
The fourth proportional to 7,737,270.42, 10,677,529.92 and 4,252,989.60 is: 5,869,178.82
Step by Step Solution
- Step 1: Write the proportion equation
7,737,270.42 : 10,677,529.92 = 4,252,989.60 : x - Step 2: Convert to fraction form
7,737,270.42/10,677,529.92 = 4,252,989.60/x - Step 3: Cross multiply
7,737,270.42x = 10,677,529.92 × 4,252,989.60 - Step 4: Simplify right side
7,737,270.42x = 45,411,423,703,448.83 - Step 5: Solve for x
x = 45,411,423,703,448.83/7,737,270.42 - Step 6: Final answer
x = 5,869,178.82
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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.