Finding the Fourth Proportional to 11,557,263.40, 15,949,540.58 and 6,330,639.40
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Solution
The fourth proportional to 11,557,263.40, 15,949,540.58 and 6,330,639.40 is: 8,736,565.61
Step by Step Solution
- Step 1: Write the proportion equation
11,557,263.40 : 15,949,540.58 = 6,330,639.40 : x - Step 2: Convert to fraction form
11,557,263.40/15,949,540.58 = 6,330,639.40/x - Step 3: Cross multiply
11,557,263.40x = 15,949,540.58 × 6,330,639.40 - Step 4: Simplify right side
11,557,263.40x = 100,970,790,007,646.86 - Step 5: Solve for x
x = 100,970,790,007,646.86/11,557,263.40 - Step 6: Final answer
x = 8,736,565.61
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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.