Finding the Fourth Proportional to 14,756,178.62, 20,363,562.60 and 8,230,230.84
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Solution
The fourth proportional to 14,756,178.62, 20,363,562.60 and 8,230,230.84 is: 11,357,738.70
Step by Step Solution
- Step 1: Write the proportion equation
14,756,178.62 : 20,363,562.60 = 8,230,230.84 : x - Step 2: Convert to fraction form
14,756,178.62/20,363,562.60 = 8,230,230.84/x - Step 3: Cross multiply
14,756,178.62x = 20,363,562.60 × 8,230,230.84 - Step 4: Simplify right side
14,756,178.62x = 167,596,820,922,790.59 - Step 5: Solve for x
x = 167,596,820,922,790.59/14,756,178.62 - Step 6: Final answer
x = 11,357,738.70
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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.