Finding the Fourth Proportional to 8,331,928.96, 11,497,519.56 and 4,660,209.40
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Solution
The fourth proportional to 8,331,928.96, 11,497,519.56 and 4,660,209.40 is: 6,430,785.59
Step by Step Solution
- Step 1: Write the proportion equation
8,331,928.96 : 11,497,519.56 = 4,660,209.40 : x - Step 2: Convert to fraction form
8,331,928.96/11,497,519.56 = 4,660,209.40/x - Step 3: Cross multiply
8,331,928.96x = 11,497,519.56 × 4,660,209.40 - Step 4: Simplify right side
8,331,928.96x = 53,580,848,730,195.87 - Step 5: Solve for x
x = 53,580,848,730,195.87/8,331,928.96 - Step 6: Final answer
x = 6,430,785.59
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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.