Finding the Fourth Proportional to 9,190,261.45, 13,786,888.35 and 2,713,991.81
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Solution
The fourth proportional to 9,190,261.45, 13,786,888.35 and 2,713,991.81 is: 4,071,429.56
Step by Step Solution
- Step 1: Write the proportion equation
9,190,261.45 : 13,786,888.35 = 2,713,991.81 : x - Step 2: Convert to fraction form
9,190,261.45/13,786,888.35 = 2,713,991.81/x - Step 3: Cross multiply
9,190,261.45x = 13,786,888.35 × 2,713,991.81 - Step 4: Simplify right side
9,190,261.45x = 37,417,502,067,284.41 - Step 5: Solve for x
x = 37,417,502,067,284.41/9,190,261.45 - Step 6: Final answer
x = 4,071,429.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.