Finding the Fourth Proportional to 14,276,635.93, 19,701,782.19 and 8,165,064.43
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Solution
The fourth proportional to 14,276,635.93, 19,701,782.19 and 8,165,064.43 is: 11,267,802.99
Step by Step Solution
- Step 1: Write the proportion equation
14,276,635.93 : 19,701,782.19 = 8,165,064.43 : x - Step 2: Convert to fraction form
14,276,635.93/19,701,782.19 = 8,165,064.43/x - Step 3: Cross multiply
14,276,635.93x = 19,701,782.19 × 8,165,064.43 - Step 4: Simplify right side
14,276,635.93x = 160,866,320,967,176.50 - Step 5: Solve for x
x = 160,866,320,967,176.50/14,276,635.93 - Step 6: Final answer
x = 11,267,802.99
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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.