Finding the Fourth Proportional to 34,193,647.65, 47,187,154.98 and 18,723,596.97
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Solution
The fourth proportional to 34,193,647.65, 47,187,154.98 and 18,723,596.97 is: 25,838,520.68
Step by Step Solution
- Step 1: Write the proportion equation
34,193,647.65 : 47,187,154.98 = 18,723,596.97 : x - Step 2: Convert to fraction form
34,193,647.65/47,187,154.98 = 18,723,596.97/x - Step 3: Cross multiply
34,193,647.65x = 47,187,154.98 × 18,723,596.97 - Step 4: Simplify right side
34,193,647.65x = 883,513,272,006,448.25 - Step 5: Solve for x
x = 883,513,272,006,448.25/34,193,647.65 - Step 6: Final answer
x = 25,838,520.68
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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.