Finding the Fourth Proportional to 19,561,125.20, 29,341,687.80 and 15,530,046.80
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Solution
The fourth proportional to 19,561,125.20, 29,341,687.80 and 15,530,046.80 is: 23,295,070.20
Step by Step Solution
- Step 1: Write the proportion equation
19,561,125.20 : 29,341,687.80 = 15,530,046.80 : x - Step 2: Convert to fraction form
19,561,125.20/29,341,687.80 = 15,530,046.80/x - Step 3: Cross multiply
19,561,125.20x = 29,341,687.80 × 15,530,046.80 - Step 4: Simplify right side
19,561,125.20x = 455,677,784,724,989.06 - Step 5: Solve for x
x = 455,677,784,724,989.06/19,561,125.20 - Step 6: Final answer
x = 23,295,070.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.