Finding the Fourth Proportional to 19,737,753.71, 27,229,759.61 and 13,213,485.05
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Solution
The fourth proportional to 19,737,753.71, 27,229,759.61 and 13,213,485.05 is: 18,229,025.79
Step by Step Solution
- Step 1: Write the proportion equation
19,737,753.71 : 27,229,759.61 = 13,213,485.05 : x - Step 2: Convert to fraction form
19,737,753.71/27,229,759.61 = 13,213,485.05/x - Step 3: Cross multiply
19,737,753.71x = 27,229,759.61 × 13,213,485.05 - Step 4: Simplify right side
19,737,753.71x = 359,800,021,319,612.62 - Step 5: Solve for x
x = 359,800,021,319,612.62/19,737,753.71 - Step 6: Final answer
x = 18,229,025.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.