Finding the Fourth Proportional to 8,392,516.29, 12,588,774.42 and 5,551,964.13
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Solution
The fourth proportional to 8,392,516.29, 12,588,774.42 and 5,551,964.13 is: 8,327,946.19
Step by Step Solution
- Step 1: Write the proportion equation
8,392,516.29 : 12,588,774.42 = 5,551,964.13 : x - Step 2: Convert to fraction form
8,392,516.29/12,588,774.42 = 5,551,964.13/x - Step 3: Cross multiply
8,392,516.29x = 12,588,774.42 × 5,551,964.13 - Step 4: Simplify right side
8,392,516.29x = 69,892,424,020,501.55 - Step 5: Solve for x
x = 69,892,424,020,501.55/8,392,516.29 - Step 6: Final answer
x = 8,327,946.19
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1.5x scale
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.