Finding the Fourth Proportional to 18,474,127.20, 27,715,746.96 and 6,343,771.32
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Solution
The fourth proportional to 18,474,127.20, 27,715,746.96 and 6,343,771.32 is: 9,517,221.51
Step by Step Solution
- Step 1: Write the proportion equation
18,474,127.20 : 27,715,746.96 = 6,343,771.32 : x - Step 2: Convert to fraction form
18,474,127.20/27,715,746.96 = 6,343,771.32/x - Step 3: Cross multiply
18,474,127.20x = 27,715,746.96 × 6,343,771.32 - Step 4: Simplify right side
18,474,127.20x = 175,822,360,677,225.19 - Step 5: Solve for x
x = 175,822,360,677,225.19/18,474,127.20 - Step 6: Final answer
x = 9,517,221.51
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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.