Finding the Fourth Proportional to 14,719,762.92, 20,312,820.42 and 8,193,224.70
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Solution
The fourth proportional to 14,719,762.92, 20,312,820.42 and 8,193,224.70 is: 11,306,398.27
Step by Step Solution
- Step 1: Write the proportion equation
14,719,762.92 : 20,312,820.42 = 8,193,224.70 : x - Step 2: Convert to fraction form
14,719,762.92/20,312,820.42 = 8,193,224.70/x - Step 3: Cross multiply
14,719,762.92x = 20,312,820.42 × 8,193,224.70 - Step 4: Simplify right side
14,719,762.92x = 166,427,501,991,808.41 - Step 5: Solve for x
x = 166,427,501,991,808.41/14,719,762.92 - Step 6: Final answer
x = 11,306,398.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.