Finding the Fourth Proportional to 19,246,742.64, 26,560,504.08 and 10,545,245.28
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Solution
The fourth proportional to 19,246,742.64, 26,560,504.08 and 10,545,245.28 is: 14,552,438.07
Step by Step Solution
- Step 1: Write the proportion equation
19,246,742.64 : 26,560,504.08 = 10,545,245.28 : x - Step 2: Convert to fraction form
19,246,742.64/26,560,504.08 = 10,545,245.28/x - Step 3: Cross multiply
19,246,742.64x = 26,560,504.08 × 10,545,245.28 - Step 4: Simplify right side
19,246,742.64x = 280,087,030,284,040.72 - Step 5: Solve for x
x = 280,087,030,284,040.72/19,246,742.64 - Step 6: Final answer
x = 14,552,438.07
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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.