Finding the Fourth Proportional to 8,515,657.37, 11,749,852.90 and 4,893,285.53
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Solution
The fourth proportional to 8,515,657.37, 11,749,852.90 and 4,893,285.53 is: 6,751,725.99
Step by Step Solution
- Step 1: Write the proportion equation
8,515,657.37 : 11,749,852.90 = 4,893,285.53 : x - Step 2: Convert to fraction form
8,515,657.37/11,749,852.90 = 4,893,285.53/x - Step 3: Cross multiply
8,515,657.37x = 11,749,852.90 × 4,893,285.53 - Step 4: Simplify right side
8,515,657.37x = 57,495,385,175,198.54 - Step 5: Solve for x
x = 57,495,385,175,198.54/8,515,657.37 - Step 6: Final answer
x = 6,751,725.99
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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.