Finding the Fourth Proportional to 9,160,777.26, 12,643,427.63 and 5,295,539.07
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Solution
The fourth proportional to 9,160,777.26, 12,643,427.63 and 5,295,539.07 is: 7,308,742.82
Step by Step Solution
- Step 1: Write the proportion equation
9,160,777.26 : 12,643,427.63 = 5,295,539.07 : x - Step 2: Convert to fraction form
9,160,777.26/12,643,427.63 = 5,295,539.07/x - Step 3: Cross multiply
9,160,777.26x = 12,643,427.63 × 5,295,539.07 - Step 4: Simplify right side
9,160,777.26x = 66,953,765,006,621.36 - Step 5: Solve for x
x = 66,953,765,006,621.36/9,160,777.26 - Step 6: Final answer
x = 7,308,742.82
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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.