Finding the Fourth Proportional to 13,749,549.48, 18,966,483.36 and 8,583,942.96
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Solution
The fourth proportional to 13,749,549.48, 18,966,483.36 and 8,583,942.96 is: 11,840,912.43
Step by Step Solution
- Step 1: Write the proportion equation
13,749,549.48 : 18,966,483.36 = 8,583,942.96 : x - Step 2: Convert to fraction form
13,749,549.48/18,966,483.36 = 8,583,942.96/x - Step 3: Cross multiply
13,749,549.48x = 18,966,483.36 × 8,583,942.96 - Step 4: Simplify right side
13,749,549.48x = 162,807,211,314,029.16 - Step 5: Solve for x
x = 162,807,211,314,029.16/13,749,549.48 - Step 6: Final answer
x = 11,840,912.43
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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.