Finding the Fourth Proportional to 8,776,809.97, 12,109,064.31 and 5,104,947.09
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Solution
The fourth proportional to 8,776,809.97, 12,109,064.31 and 5,104,947.09 is: 7,043,120.77
Step by Step Solution
- Step 1: Write the proportion equation
8,776,809.97 : 12,109,064.31 = 5,104,947.09 : x - Step 2: Convert to fraction form
8,776,809.97/12,109,064.31 = 5,104,947.09/x - Step 3: Cross multiply
8,776,809.97x = 12,109,064.31 × 5,104,947.09 - Step 4: Simplify right side
8,776,809.97x = 61,816,132,564,174.41 - Step 5: Solve for x
x = 61,816,132,564,174.41/8,776,809.97 - Step 6: Final answer
x = 7,043,120.77
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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.