Finding the Fourth Proportional to 6,335,112.31, 8,749,672.08 and 4,294,378.87
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Solution
The fourth proportional to 6,335,112.31, 8,749,672.08 and 4,294,378.87 is: 5,931,135.09
Step by Step Solution
- Step 1: Write the proportion equation
6,335,112.31 : 8,749,672.08 = 4,294,378.87 : x - Step 2: Convert to fraction form
6,335,112.31/8,749,672.08 = 4,294,378.87/x - Step 3: Cross multiply
6,335,112.31x = 8,749,672.08 × 4,294,378.87 - Step 4: Simplify right side
6,335,112.31x = 37,574,406,911,019.75 - Step 5: Solve for x
x = 37,574,406,911,019.75/6,335,112.31 - Step 6: Final answer
x = 5,931,135.09
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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.