Finding the Fourth Proportional to 11,189,437.44, 15,441,400.80 and 6,294,662.88
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Solution
The fourth proportional to 11,189,437.44, 15,441,400.80 and 6,294,662.88 is: 8,686,621.91
Step by Step Solution
- Step 1: Write the proportion equation
11,189,437.44 : 15,441,400.80 = 6,294,662.88 : x - Step 2: Convert to fraction form
11,189,437.44/15,441,400.80 = 6,294,662.88/x - Step 3: Cross multiply
11,189,437.44x = 15,441,400.80 × 6,294,662.88 - Step 4: Simplify right side
11,189,437.44x = 97,198,412,430,962.31 - Step 5: Solve for x
x = 97,198,412,430,962.31/11,189,437.44 - Step 6: Final answer
x = 8,686,621.91
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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.