Finding the Fourth Proportional to 18,339,367.68, 25,308,897.66 and 10,079,281.44
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Solution
The fourth proportional to 18,339,367.68, 25,308,897.66 and 10,079,281.44 is: 13,909,721.80
Step by Step Solution
- Step 1: Write the proportion equation
18,339,367.68 : 25,308,897.66 = 10,079,281.44 : x - Step 2: Convert to fraction form
18,339,367.68/25,308,897.66 = 10,079,281.44/x - Step 3: Cross multiply
18,339,367.68x = 25,308,897.66 × 10,079,281.44 - Step 4: Simplify right side
18,339,367.68x = 255,095,502,451,297.41 - Step 5: Solve for x
x = 255,095,502,451,297.41/18,339,367.68 - Step 6: Final answer
x = 13,909,721.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.