Finding the Fourth Proportional to 9,261,725.60, 13,887,922.80 and 5,476,368.80
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Solution
The fourth proportional to 9,261,725.60, 13,887,922.80 and 5,476,368.80 is: 8,211,794.48
Step by Step Solution
- Step 1: Write the proportion equation
9,261,725.60 : 13,887,922.80 = 5,476,368.80 : x - Step 2: Convert to fraction form
9,261,725.60/13,887,922.80 = 5,476,368.80/x - Step 3: Cross multiply
9,261,725.60x = 13,887,922.80 × 5,476,368.80 - Step 4: Simplify right side
9,261,725.60x = 76,055,387,118,728.64 - Step 5: Solve for x
x = 76,055,387,118,728.64/9,261,725.60 - Step 6: Final answer
x = 8,211,794.48
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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.