Finding the Fourth Proportional to 8,943,572.63, 12,342,132.26 and 4,869,191.63
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Solution
The fourth proportional to 8,943,572.63, 12,342,132.26 and 4,869,191.63 is: 6,719,485.55
Step by Step Solution
- Step 1: Write the proportion equation
8,943,572.63 : 12,342,132.26 = 4,869,191.63 : x - Step 2: Convert to fraction form
8,943,572.63/12,342,132.26 = 4,869,191.63/x - Step 3: Cross multiply
8,943,572.63x = 12,342,132.26 × 4,869,191.63 - Step 4: Simplify right side
8,943,572.63x = 60,096,207,010,688.37 - Step 5: Solve for x
x = 60,096,207,010,688.37/8,943,572.63 - Step 6: Final answer
x = 6,719,485.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.