Finding the Fourth Proportional to 8,861,090.34, 12,230,579.70 and 5,771,312.94
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Solution
The fourth proportional to 8,861,090.34, 12,230,579.70 and 5,771,312.94 is: 7,965,893.61
Step by Step Solution
- Step 1: Write the proportion equation
8,861,090.34 : 12,230,579.70 = 5,771,312.94 : x - Step 2: Convert to fraction form
8,861,090.34/12,230,579.70 = 5,771,312.94/x - Step 3: Cross multiply
8,861,090.34x = 12,230,579.70 × 5,771,312.94 - Step 4: Simplify right side
8,861,090.34x = 70,586,502,886,311.31 - Step 5: Solve for x
x = 70,586,502,886,311.31/8,861,090.34 - Step 6: Final answer
x = 7,965,893.61
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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.