Finding the Fourth Proportional to 7,737,876.48, 10,677,421.62 and 4,474,197.30
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Solution
The fourth proportional to 7,737,876.48, 10,677,421.62 and 4,474,197.30 is: 6,173,901.99
Step by Step Solution
- Step 1: Write the proportion equation
7,737,876.48 : 10,677,421.62 = 4,474,197.30 : x - Step 2: Convert to fraction form
7,737,876.48/10,677,421.62 = 4,474,197.30/x - Step 3: Cross multiply
7,737,876.48x = 10,677,421.62 × 4,474,197.30 - Step 4: Simplify right side
7,737,876.48x = 47,772,890,983,165.62 - Step 5: Solve for x
x = 47,772,890,983,165.62/7,737,876.48 - Step 6: Final answer
x = 6,173,901.99
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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.