Finding the Fourth Proportional to 11,688,582.72, 16,130,197.26 and 6,531,942.90
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Solution
The fourth proportional to 11,688,582.72, 16,130,197.26 and 6,531,942.90 is: 9,014,055.00
Step by Step Solution
- Step 1: Write the proportion equation
11,688,582.72 : 16,130,197.26 = 6,531,942.90 : x - Step 2: Convert to fraction form
11,688,582.72/16,130,197.26 = 6,531,942.90/x - Step 3: Cross multiply
11,688,582.72x = 16,130,197.26 × 6,531,942.90 - Step 4: Simplify right side
11,688,582.72x = 105,361,527,468,056.45 - Step 5: Solve for x
x = 105,361,527,468,056.45/11,688,582.72 - Step 6: Final answer
x = 9,014,055.00
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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.