Finding the Fourth Proportional to 9,682,134.51, 13,361,639.57 and 5,331,376.63
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Solution
The fourth proportional to 9,682,134.51, 13,361,639.57 and 5,331,376.63 is: 7,357,461.61
Step by Step Solution
- Step 1: Write the proportion equation
9,682,134.51 : 13,361,639.57 = 5,331,376.63 : x - Step 2: Convert to fraction form
9,682,134.51/13,361,639.57 = 5,331,376.63/x - Step 3: Cross multiply
9,682,134.51x = 13,361,639.57 × 5,331,376.63 - Step 4: Simplify right side
9,682,134.51x = 71,235,932,952,019.08 - Step 5: Solve for x
x = 71,235,932,952,019.08/9,682,134.51 - Step 6: Final answer
x = 7,357,461.61
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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.