Finding the Fourth Proportional to 7,843,734.40, 11,766,279.38 and 2,163,958.68
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Solution
The fourth proportional to 7,843,734.40, 11,766,279.38 and 2,163,958.68 is: 3,246,125.01
Step by Step Solution
- Step 1: Write the proportion equation
7,843,734.40 : 11,766,279.38 = 2,163,958.68 : x - Step 2: Convert to fraction form
7,843,734.40/11,766,279.38 = 2,163,958.68/x - Step 3: Cross multiply
7,843,734.40x = 11,766,279.38 × 2,163,958.68 - Step 4: Simplify right side
7,843,734.40x = 25,461,742,395,656.02 - Step 5: Solve for x
x = 25,461,742,395,656.02/7,843,734.40 - Step 6: Final answer
x = 3,246,125.01
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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.