Finding the Fourth Proportional to 19,472,834.80, 29,209,252.20 and 6,692,201.20
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Solution
The fourth proportional to 19,472,834.80, 29,209,252.20 and 6,692,201.20 is: 10,038,301.80
Step by Step Solution
- Step 1: Write the proportion equation
19,472,834.80 : 29,209,252.20 = 6,692,201.20 : x - Step 2: Convert to fraction form
19,472,834.80/29,209,252.20 = 6,692,201.20/x - Step 3: Cross multiply
19,472,834.80x = 29,209,252.20 × 6,692,201.20 - Step 4: Simplify right side
19,472,834.80x = 195,474,192,623,942.62 - Step 5: Solve for x
x = 195,474,192,623,942.62/19,472,834.80 - Step 6: Final answer
x = 10,038,301.80
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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.