Finding the Fourth Proportional to 9,269,799.36, 13,905,748.80 and 8,317,317.12
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Solution
The fourth proportional to 9,269,799.36, 13,905,748.80 and 8,317,317.12 is: 12,476,917.58
Step by Step Solution
- Step 1: Write the proportion equation
9,269,799.36 : 13,905,748.80 = 8,317,317.12 : x - Step 2: Convert to fraction form
9,269,799.36/13,905,748.80 = 8,317,317.12/x - Step 3: Cross multiply
9,269,799.36x = 13,905,748.80 × 8,317,317.12 - Step 4: Simplify right side
9,269,799.36x = 115,658,522,560,659.47 - Step 5: Solve for x
x = 115,658,522,560,659.47/9,269,799.36 - Step 6: Final answer
x = 12,476,917.58
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1.5x scale
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.