Finding the Fourth Proportional to 7,843,735.39, 11,766,280.89 and 2,163,959.68
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Solution
The fourth proportional to 7,843,735.39, 11,766,280.89 and 2,163,959.68 is: 3,246,126.52
Step by Step Solution
- Step 1: Write the proportion equation
7,843,735.39 : 11,766,280.89 = 2,163,959.68 : x - Step 2: Convert to fraction form
7,843,735.39/11,766,280.89 = 2,163,959.68/x - Step 3: Cross multiply
7,843,735.39x = 11,766,280.89 × 2,163,959.68 - Step 4: Simplify right side
7,843,735.39x = 25,461,757,429,514.52 - Step 5: Solve for x
x = 25,461,757,429,514.52/7,843,735.39 - Step 6: Final answer
x = 3,246,126.52
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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.