Finding the Fourth Proportional to 10,620,700.80, 14,652,285.12 and 6,147,313.44
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Solution
The fourth proportional to 10,620,700.80, 14,652,285.12 and 6,147,313.44 is: 8,480,814.11
Step by Step Solution
- Step 1: Write the proportion equation
10,620,700.80 : 14,652,285.12 = 6,147,313.44 : x - Step 2: Convert to fraction form
10,620,700.80/14,652,285.12 = 6,147,313.44/x - Step 3: Cross multiply
10,620,700.80x = 14,652,285.12 × 6,147,313.44 - Step 4: Simplify right side
10,620,700.80x = 90,072,189,244,888.02 - Step 5: Solve for x
x = 90,072,189,244,888.02/10,620,700.80 - Step 6: Final answer
x = 8,480,814.11
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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.