Finding the Fourth Proportional to 14,378,855.55, 21,581,569.35 and 7,195,544.70
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Solution
The fourth proportional to 14,378,855.55, 21,581,569.35 and 7,195,544.70 is: 10,799,965.71
Step by Step Solution
- Step 1: Write the proportion equation
14,378,855.55 : 21,581,569.35 = 7,195,544.70 : x - Step 2: Convert to fraction form
14,378,855.55/21,581,569.35 = 7,195,544.70/x - Step 3: Cross multiply
14,378,855.55x = 21,581,569.35 × 7,195,544.70 - Step 4: Simplify right side
14,378,855.55x = 155,291,146,954,074.97 - Step 5: Solve for x
x = 155,291,146,954,074.97/14,378,855.55 - Step 6: Final answer
x = 10,799,965.71
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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.