Finding the Fourth Proportional to 13,092,787.09, 18,070,244.84 and 7,589,604.36
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Solution
The fourth proportional to 13,092,787.09, 18,070,244.84 and 7,589,604.36 is: 10,474,928.53
Step by Step Solution
- Step 1: Write the proportion equation
13,092,787.09 : 18,070,244.84 = 7,589,604.36 : x - Step 2: Convert to fraction form
13,092,787.09/18,070,244.84 = 7,589,604.36/x - Step 3: Cross multiply
13,092,787.09x = 18,070,244.84 × 7,589,604.36 - Step 4: Simplify right side
13,092,787.09x = 137,146,008,933,580.28 - Step 5: Solve for x
x = 137,146,008,933,580.28/13,092,787.09 - Step 6: Final answer
x = 10,474,928.53
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1.5x scale
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.