Finding the Fourth Proportional to 35,490,243.20, 53,235,364.80 and 13,925,548.40
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Solution
The fourth proportional to 35,490,243.20, 53,235,364.80 and 13,925,548.40 is: 20,888,322.60
Step by Step Solution
- Step 1: Write the proportion equation
35,490,243.20 : 53,235,364.80 = 13,925,548.40 : x - Step 2: Convert to fraction form
35,490,243.20/53,235,364.80 = 13,925,548.40/x - Step 3: Cross multiply
35,490,243.20x = 53,235,364.80 × 13,925,548.40 - Step 4: Simplify right side
35,490,243.20x = 741,331,649,114,056.25 - Step 5: Solve for x
x = 741,331,649,114,056.25/35,490,243.20 - Step 6: Final answer
x = 20,888,322.60
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Similar ratio
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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.