Finding the Fourth Proportional to 19,203,813.58, 26,503,683.62 and 12,593,960.80
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Solution
The fourth proportional to 19,203,813.58, 26,503,683.62 and 12,593,960.80 is: 17,381,253.53
Step by Step Solution
- Step 1: Write the proportion equation
19,203,813.58 : 26,503,683.62 = 12,593,960.80 : x - Step 2: Convert to fraction form
19,203,813.58/26,503,683.62 = 12,593,960.80/x - Step 3: Cross multiply
19,203,813.58x = 26,503,683.62 × 12,593,960.80 - Step 4: Simplify right side
19,203,813.58x = 333,786,352,502,912.31 - Step 5: Solve for x
x = 333,786,352,502,912.31/19,203,813.58 - Step 6: Final answer
x = 17,381,253.53
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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.