Finding the Fourth Proportional to 7,982,752.68, 11,973,958.92 and 2,591,394.36
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Solution
The fourth proportional to 7,982,752.68, 11,973,958.92 and 2,591,394.36 is: 3,887,036.32
Step by Step Solution
- Step 1: Write the proportion equation
7,982,752.68 : 11,973,958.92 = 2,591,394.36 : x - Step 2: Convert to fraction form
7,982,752.68/11,973,958.92 = 2,591,394.36/x - Step 3: Cross multiply
7,982,752.68x = 11,973,958.92 × 2,591,394.36 - Step 4: Simplify right side
7,982,752.68x = 31,029,249,612,159.69 - Step 5: Solve for x
x = 31,029,249,612,159.69/7,982,752.68 - Step 6: Final answer
x = 3,887,036.32
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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.