Finding the Fourth Proportional to 18,531,420.96, 27,800,623.64 and 7,020,336
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Solution
The fourth proportional to 18,531,420.96, 27,800,623.64 and 7,020,336 is: 10,531,826.96
Step by Step Solution
- Step 1: Write the proportion equation
18,531,420.96 : 27,800,623.64 = 7,020,336 : x - Step 2: Convert to fraction form
18,531,420.96/27,800,623.64 = 7,020,336/x - Step 3: Cross multiply
18,531,420.96x = 27,800,623.64 × 7,020,336 - Step 4: Simplify right side
18,531,420.96x = 195,169,718,962,343.03 - Step 5: Solve for x
x = 195,169,718,962,343.03/18,531,420.96 - Step 6: Final answer
x = 10,531,826.96
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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.