Finding the Fourth Proportional to 13,482,316.10, 20,226,471.14 and 6,289,926.50
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Solution
The fourth proportional to 13,482,316.10, 20,226,471.14 and 6,289,926.50 is: 9,436,287.94
Step by Step Solution
- Step 1: Write the proportion equation
13,482,316.10 : 20,226,471.14 = 6,289,926.50 : x - Step 2: Convert to fraction form
13,482,316.10/20,226,471.14 = 6,289,926.50/x - Step 3: Cross multiply
13,482,316.10x = 20,226,471.14 × 6,289,926.50 - Step 4: Simplify right side
13,482,316.10x = 127,223,016,739,563.66 - Step 5: Solve for x
x = 127,223,016,739,563.66/13,482,316.10 - Step 6: Final answer
x = 9,436,287.94
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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.