Finding the Fourth Proportional to 8,930,316.75, 13,378,618.62 and 5,276,143.10
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Solution
The fourth proportional to 8,930,316.75, 13,378,618.62 and 5,276,143.10 is: 7,904,255.61
Step by Step Solution
- Step 1: Write the proportion equation
8,930,316.75 : 13,378,618.62 = 5,276,143.10 : x - Step 2: Convert to fraction form
8,930,316.75/13,378,618.62 = 5,276,143.10/x - Step 3: Cross multiply
8,930,316.75x = 13,378,618.62 × 5,276,143.10 - Step 4: Simplify right side
8,930,316.75x = 70,587,506,252,551.42 - Step 5: Solve for x
x = 70,587,506,252,551.42/8,930,316.75 - Step 6: Final answer
x = 7,904,255.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.