Finding the Fourth Proportional to 18,901,717.62, 28,358,460.04 and 6,771,285.14
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Solution
The fourth proportional to 18,901,717.62, 28,358,460.04 and 6,771,285.14 is: 10,159,035.43
Step by Step Solution
- Step 1: Write the proportion equation
18,901,717.62 : 28,358,460.04 = 6,771,285.14 : x - Step 2: Convert to fraction form
18,901,717.62/28,358,460.04 = 6,771,285.14/x - Step 3: Cross multiply
18,901,717.62x = 28,358,460.04 × 6,771,285.14 - Step 4: Simplify right side
18,901,717.62x = 192,023,219,062,135.78 - Step 5: Solve for x
x = 192,023,219,062,135.78/18,901,717.62 - Step 6: Final answer
x = 10,159,035.43
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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.