Finding the Fourth Proportional to 11,688,549.12, 16,130,219.64 and 6,531,910.64
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Solution
The fourth proportional to 11,688,549.12, 16,130,219.64 and 6,531,910.64 is: 9,014,048.90
Step by Step Solution
- Step 1: Write the proportion equation
11,688,549.12 : 16,130,219.64 = 6,531,910.64 : x - Step 2: Convert to fraction form
11,688,549.12/16,130,219.64 = 6,531,910.64/x - Step 3: Cross multiply
11,688,549.12x = 16,130,219.64 × 6,531,910.64 - Step 4: Simplify right side
11,688,549.12x = 105,361,153,292,052.97 - Step 5: Solve for x
x = 105,361,153,292,052.97/11,688,549.12 - Step 6: Final answer
x = 9,014,048.90
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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.