Finding the Fourth Proportional to 9,686,106.09, 13,366,824.84 and 5,335,192.31
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Solution
The fourth proportional to 9,686,106.09, 13,366,824.84 and 5,335,192.31 is: 7,362,564.52
Step by Step Solution
- Step 1: Write the proportion equation
9,686,106.09 : 13,366,824.84 = 5,335,192.31 : x - Step 2: Convert to fraction form
9,686,106.09/13,366,824.84 = 5,335,192.31/x - Step 3: Cross multiply
9,686,106.09x = 13,366,824.84 × 5,335,192.31 - Step 4: Simplify right side
9,686,106.09x = 71,314,581,028,650.84 - Step 5: Solve for x
x = 71,314,581,028,650.84/9,686,106.09 - Step 6: Final answer
x = 7,362,564.52
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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.