Finding the Fourth Proportional to 9,860,847.63, 13,607,708.68 and 5,509,969.68
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Solution
The fourth proportional to 9,860,847.63, 13,607,708.68 and 5,509,969.68 is: 7,603,612.30
Step by Step Solution
- Step 1: Write the proportion equation
9,860,847.63 : 13,607,708.68 = 5,509,969.68 : x - Step 2: Convert to fraction form
9,860,847.63/13,607,708.68 = 5,509,969.68/x - Step 3: Cross multiply
9,860,847.63x = 13,607,708.68 × 5,509,969.68 - Step 4: Simplify right side
9,860,847.63x = 74,978,062,283,489.64 - Step 5: Solve for x
x = 74,978,062,283,489.64/9,860,847.63 - Step 6: Final answer
x = 7,603,612.30
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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.