Finding the Fourth Proportional to 11,191,663.80, 15,444,495.18 and 6,362,767.80
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Solution
The fourth proportional to 11,191,663.80, 15,444,495.18 and 6,362,767.80 is: 8,780,619.07
Step by Step Solution
- Step 1: Write the proportion equation
11,191,663.80 : 15,444,495.18 = 6,362,767.80 : x - Step 2: Convert to fraction form
11,191,663.80/15,444,495.18 = 6,362,767.80/x - Step 3: Cross multiply
11,191,663.80x = 15,444,495.18 × 6,362,767.80 - Step 4: Simplify right side
11,191,663.80x = 98,269,736,618,559.20 - Step 5: Solve for x
x = 98,269,736,618,559.20/11,191,663.80 - Step 6: Final answer
x = 8,780,619.07
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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.