Finding the Fourth Proportional to 11,502,311.56, 15,873,242.70 and 6,345,671.20
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Solution
The fourth proportional to 11,502,311.56, 15,873,242.70 and 6,345,671.20 is: 8,757,055.36
Step by Step Solution
- Step 1: Write the proportion equation
11,502,311.56 : 15,873,242.70 = 6,345,671.20 : x - Step 2: Convert to fraction form
11,502,311.56/15,873,242.70 = 6,345,671.20/x - Step 3: Cross multiply
11,502,311.56x = 15,873,242.70 × 6,345,671.20 - Step 4: Simplify right side
11,502,311.56x = 100,726,379,052,000.23 - Step 5: Solve for x
x = 100,726,379,052,000.23/11,502,311.56 - Step 6: Final answer
x = 8,757,055.36
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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.