Finding the Fourth Proportional to 14,861,738,354.08, 20,509,202,276.38 and 8,178,734,918.83
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Solution
The fourth proportional to 14,861,738,354.08, 20,509,202,276.38 and 8,178,734,918.83 is: 11,286,656,030.32
Step by Step Solution
- Step 1: Write the proportion equation
14,861,738,354.08 : 20,509,202,276.38 = 8,178,734,918.83 : x - Step 2: Convert to fraction form
14,861,738,354.08/20,509,202,276.38 = 8,178,734,918.83/x - Step 3: Cross multiply
14,861,738,354.08x = 20,509,202,276.38 × 8,178,734,918.83 - Step 4: Simplify right side
14,861,738,354.08x = 167,739,328,815,101,018,112 - Step 5: Solve for x
x = 167,739,328,815,101,018,112/14,861,738,354.08 - Step 6: Final answer
x = 11,286,656,030.32
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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.