Finding the Fourth Proportional to 19,145,391.26, 28,718,336.77 and 6,365,895.91
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Solution
The fourth proportional to 19,145,391.26, 28,718,336.77 and 6,365,895.91 is: 9,548,926.95
Step by Step Solution
- Step 1: Write the proportion equation
19,145,391.26 : 28,718,336.77 = 6,365,895.91 : x - Step 2: Convert to fraction form
19,145,391.26/28,718,336.77 = 6,365,895.91/x - Step 3: Cross multiply
19,145,391.26x = 28,718,336.77 × 6,365,895.91 - Step 4: Simplify right side
19,145,391.26x = 182,817,942,498,435 - Step 5: Solve for x
x = 182,817,942,498,435/19,145,391.26 - Step 6: Final answer
x = 9,548,926.95
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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.