Finding the Fourth Proportional to 14,485,612.44, 19,991,363.12 and 7,960,544.88
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Solution
The fourth proportional to 14,485,612.44, 19,991,363.12 and 7,960,544.88 is: 10,986,221.26
Step by Step Solution
- Step 1: Write the proportion equation
14,485,612.44 : 19,991,363.12 = 7,960,544.88 : x - Step 2: Convert to fraction form
14,485,612.44/19,991,363.12 = 7,960,544.88/x - Step 3: Cross multiply
14,485,612.44x = 19,991,363.12 × 7,960,544.88 - Step 4: Simplify right side
14,485,612.44x = 159,142,143,329,136.84 - Step 5: Solve for x
x = 159,142,143,329,136.84/14,485,612.44 - Step 6: Final answer
x = 10,986,221.26
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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.