Finding the Fourth Proportional to 19,342,860.46, 26,692,093.26 and 10,639,628.08
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Solution
The fourth proportional to 19,342,860.46, 26,692,093.26 and 10,639,628.08 is: 14,682,106.90
Step by Step Solution
- Step 1: Write the proportion equation
19,342,860.46 : 26,692,093.26 = 10,639,628.08 : x - Step 2: Convert to fraction form
19,342,860.46/26,692,093.26 = 10,639,628.08/x - Step 3: Cross multiply
19,342,860.46x = 26,692,093.26 × 10,639,628.08 - Step 4: Simplify right side
19,342,860.46x = 283,993,944,963,074.75 - Step 5: Solve for x
x = 283,993,944,963,074.75/19,342,860.46 - Step 6: Final answer
x = 14,682,106.90
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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.