Finding the Fourth Proportional to 8,795,556.74, 13,133,174.06 and 7,878,821.02
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Solution
The fourth proportional to 8,795,556.74, 13,133,174.06 and 7,878,821.02 is: 11,764,340.89
Step by Step Solution
- Step 1: Write the proportion equation
8,795,556.74 : 13,133,174.06 = 7,878,821.02 : x - Step 2: Convert to fraction form
8,795,556.74/13,133,174.06 = 7,878,821.02/x - Step 3: Cross multiply
8,795,556.74x = 13,133,174.06 × 7,878,821.02 - Step 4: Simplify right side
8,795,556.74x = 103,473,927,830,110.86 - Step 5: Solve for x
x = 103,473,927,830,110.86/8,795,556.74 - Step 6: Final answer
x = 11,764,340.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.