Finding the Fourth Proportional to 13,053,756.26, 19,580,634.40 and 4,964,863.52
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Solution
The fourth proportional to 13,053,756.26, 19,580,634.40 and 4,964,863.52 is: 7,447,295.28
Step by Step Solution
- Step 1: Write the proportion equation
13,053,756.26 : 19,580,634.40 = 4,964,863.52 : x - Step 2: Convert to fraction form
13,053,756.26/19,580,634.40 = 4,964,863.52/x - Step 3: Cross multiply
13,053,756.26x = 19,580,634.40 × 4,964,863.52 - Step 4: Simplify right side
13,053,756.26x = 97,215,177,431,017.08 - Step 5: Solve for x
x = 97,215,177,431,017.08/13,053,756.26 - Step 6: Final answer
x = 7,447,295.28
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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.