Finding the Fourth Proportional to 38,601,485.04, 57,913,434.16 and 15,560,528.80
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Solution
The fourth proportional to 38,601,485.04, 57,913,434.16 and 15,560,528.80 is: 23,345,310.66
Step by Step Solution
- Step 1: Write the proportion equation
38,601,485.04 : 57,913,434.16 = 15,560,528.80 : x - Step 2: Convert to fraction form
38,601,485.04/57,913,434.16 = 15,560,528.80/x - Step 3: Cross multiply
38,601,485.04x = 57,913,434.16 × 15,560,528.80 - Step 4: Simplify right side
38,601,485.04x = 901,163,660,153,583.75 - Step 5: Solve for x
x = 901,163,660,153,583.75/38,601,485.04 - Step 6: Final answer
x = 23,345,310.66
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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.