Finding the Fourth Proportional to 11,513,446.92, 15,888,804.42 and 6,357,134.32
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Solution
The fourth proportional to 11,513,446.92, 15,888,804.42 and 6,357,134.32 is: 8,772,982.11
Step by Step Solution
- Step 1: Write the proportion equation
11,513,446.92 : 15,888,804.42 = 6,357,134.32 : x - Step 2: Convert to fraction form
11,513,446.92/15,888,804.42 = 6,357,134.32/x - Step 3: Cross multiply
11,513,446.92x = 15,888,804.42 × 6,357,134.32 - Step 4: Simplify right side
11,513,446.92x = 101,007,263,882,149.70 - Step 5: Solve for x
x = 101,007,263,882,149.70/11,513,446.92 - Step 6: Final answer
x = 8,772,982.11
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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.