Finding the Fourth Proportional to 40,798,678.26, 56,303,557.84 and 22,214,539.14
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Solution
The fourth proportional to 40,798,678.26, 56,303,557.84 and 22,214,539.14 is: 30,656,816.41
Step by Step Solution
- Step 1: Write the proportion equation
40,798,678.26 : 56,303,557.84 = 22,214,539.14 : x - Step 2: Convert to fraction form
40,798,678.26/56,303,557.84 = 22,214,539.14/x - Step 3: Cross multiply
40,798,678.26x = 56,303,557.84 × 22,214,539.14 - Step 4: Simplify right side
40,798,678.26x = 1,250,757,589,357,934 - Step 5: Solve for x
x = 1,250,757,589,357,934/40,798,678.26 - Step 6: Final answer
x = 30,656,816.41
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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.