Finding the Fourth Proportional to 14,343,149.07, 19,794,247.38 and 8,065,651.95
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Solution
The fourth proportional to 14,343,149.07, 19,794,247.38 and 8,065,651.95 is: 11,130,994.26
Step by Step Solution
- Step 1: Write the proportion equation
14,343,149.07 : 19,794,247.38 = 8,065,651.95 : x - Step 2: Convert to fraction form
14,343,149.07/19,794,247.38 = 8,065,651.95/x - Step 3: Cross multiply
14,343,149.07x = 19,794,247.38 × 8,065,651.95 - Step 4: Simplify right side
14,343,149.07x = 159,653,509,979,279.38 - Step 5: Solve for x
x = 159,653,509,979,279.38/14,343,149.07 - Step 6: Final answer
x = 11,130,994.26
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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.