Finding the Fourth Proportional to 11,090,347.20, 16,607,527.20 and 7,283,217.60
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Solution
The fourth proportional to 11,090,347.20, 16,607,527.20 and 7,283,217.60 is: 10,906,442.53
Step by Step Solution
- Step 1: Write the proportion equation
11,090,347.20 : 16,607,527.20 = 7,283,217.60 : x - Step 2: Convert to fraction form
11,090,347.20/16,607,527.20 = 7,283,217.60/x - Step 3: Cross multiply
11,090,347.20x = 16,607,527.20 × 7,283,217.60 - Step 4: Simplify right side
11,090,347.20x = 120,956,234,395,518.70 - Step 5: Solve for x
x = 120,956,234,395,518.70/11,090,347.20 - Step 6: Final answer
x = 10,906,442.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.