Finding the Fourth Proportional to 40,954,379.63, 61,431,798.06 and 13,660,597.08
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Solution
The fourth proportional to 40,954,379.63, 61,431,798.06 and 13,660,597.08 is: 20,490,971.88
Step by Step Solution
- Step 1: Write the proportion equation
40,954,379.63 : 61,431,798.06 = 13,660,597.08 : x - Step 2: Convert to fraction form
40,954,379.63/61,431,798.06 = 13,660,597.08/x - Step 3: Cross multiply
40,954,379.63x = 61,431,798.06 × 13,660,597.08 - Step 4: Simplify right side
40,954,379.63x = 839,195,041,197,585.75 - Step 5: Solve for x
x = 839,195,041,197,585.75/40,954,379.63 - Step 6: Final answer
x = 20,490,971.88
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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.