Finding the Fourth Proportional to 9,909,629.80, 14,860,874.94 and 3,430,946.14
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Solution
The fourth proportional to 9,909,629.80, 14,860,874.94 and 3,430,946.14 is: 5,145,183.28
Step by Step Solution
- Step 1: Write the proportion equation
9,909,629.80 : 14,860,874.94 = 3,430,946.14 : x - Step 2: Convert to fraction form
9,909,629.80/14,860,874.94 = 3,430,946.14/x - Step 3: Cross multiply
9,909,629.80x = 14,860,874.94 × 3,430,946.14 - Step 4: Simplify right side
9,909,629.80x = 50,986,861,512,415.73 - Step 5: Solve for x
x = 50,986,861,512,415.73/9,909,629.80 - Step 6: Final answer
x = 5,145,183.28
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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.