Finding the Fourth Proportional to 15,719,918.44, 23,579,877.66 and 4,360,367.06
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Solution
The fourth proportional to 15,719,918.44, 23,579,877.66 and 4,360,367.06 is: 6,540,550.59
Step by Step Solution
- Step 1: Write the proportion equation
15,719,918.44 : 23,579,877.66 = 4,360,367.06 : x - Step 2: Convert to fraction form
15,719,918.44/23,579,877.66 = 4,360,367.06/x - Step 3: Cross multiply
15,719,918.44x = 23,579,877.66 × 4,360,367.06 - Step 4: Simplify right side
15,719,918.44x = 102,816,921,870,092.20 - Step 5: Solve for x
x = 102,816,921,870,092.20/15,719,918.44 - Step 6: Final answer
x = 6,540,550.59
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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.