Finding the Fourth Proportional to 8,737,686.18, 13,106,517.98 and 2,347,938.63
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Solution
The fourth proportional to 8,737,686.18, 13,106,517.98 and 2,347,938.63 is: 3,521,904.91
Step by Step Solution
- Step 1: Write the proportion equation
8,737,686.18 : 13,106,517.98 = 2,347,938.63 : x - Step 2: Convert to fraction form
8,737,686.18/13,106,517.98 = 2,347,938.63/x - Step 3: Cross multiply
8,737,686.18x = 13,106,517.98 × 2,347,938.63 - Step 4: Simplify right side
8,737,686.18x = 30,773,299,858,291.87 - Step 5: Solve for x
x = 30,773,299,858,291.87/8,737,686.18 - Step 6: Final answer
x = 3,521,904.91
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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.