Finding the Fourth Proportional to 9,879,777.62, 13,627,766.58 and 7,924,347.68
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Solution
The fourth proportional to 9,879,777.62, 13,627,766.58 and 7,924,347.68 is: 10,930,525.43
Step by Step Solution
- Step 1: Write the proportion equation
9,879,777.62 : 13,627,766.58 = 7,924,347.68 : x - Step 2: Convert to fraction form
9,879,777.62/13,627,766.58 = 7,924,347.68/x - Step 3: Cross multiply
9,879,777.62x = 13,627,766.58 × 7,924,347.68 - Step 4: Simplify right side
9,879,777.62x = 107,991,160,481,804.53 - Step 5: Solve for x
x = 107,991,160,481,804.53/9,879,777.62 - Step 6: Final answer
x = 10,930,525.43
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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.