Finding the Fourth Proportional to 13,263,496.21, 19,895,242.63 and 3,678,874.68
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Solution
The fourth proportional to 13,263,496.21, 19,895,242.63 and 3,678,874.68 is: 5,518,311.55
Step by Step Solution
- Step 1: Write the proportion equation
13,263,496.21 : 19,895,242.63 = 3,678,874.68 : x - Step 2: Convert to fraction form
13,263,496.21/19,895,242.63 = 3,678,874.68/x - Step 3: Cross multiply
13,263,496.21x = 19,895,242.63 × 3,678,874.68 - Step 4: Simplify right side
13,263,496.21x = 73,192,104,363,963.61 - Step 5: Solve for x
x = 73,192,104,363,963.61/13,263,496.21 - Step 6: Final answer
x = 5,518,311.55
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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.