Finding the Fourth Proportional to 8,201,423.80, 12,302,135.70 and 6,686,816.95
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Solution
The fourth proportional to 8,201,423.80, 12,302,135.70 and 6,686,816.95 is: 10,030,225.43
Step by Step Solution
- Step 1: Write the proportion equation
8,201,423.80 : 12,302,135.70 = 6,686,816.95 : x - Step 2: Convert to fraction form
8,201,423.80/12,302,135.70 = 6,686,816.95/x - Step 3: Cross multiply
8,201,423.80x = 12,302,135.70 × 6,686,816.95 - Step 4: Simplify right side
8,201,423.80x = 82,262,129,519,960.11 - Step 5: Solve for x
x = 82,262,129,519,960.11/8,201,423.80 - Step 6: Final answer
x = 10,030,225.43
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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.