Finding the Fourth Proportional to 11,591,246.40, 17,393,090.40 and 4,860,340.80
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Solution
The fourth proportional to 11,591,246.40, 17,393,090.40 and 4,860,340.80 is: 7,293,119.65
Step by Step Solution
- Step 1: Write the proportion equation
11,591,246.40 : 17,393,090.40 = 4,860,340.80 : x - Step 2: Convert to fraction form
11,591,246.40/17,393,090.40 = 4,860,340.80/x - Step 3: Cross multiply
11,591,246.40x = 17,393,090.40 × 4,860,340.80 - Step 4: Simplify right side
11,591,246.40x = 84,536,346,909,208.31 - Step 5: Solve for x
x = 84,536,346,909,208.31/11,591,246.40 - Step 6: Final answer
x = 7,293,119.65
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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.