Finding the Fourth Proportional to 42,566,117.81, 58,741,241.99 and 22,987,005.62
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Solution
The fourth proportional to 42,566,117.81, 58,741,241.99 and 22,987,005.62 is: 31,722,067.43
Step by Step Solution
- Step 1: Write the proportion equation
42,566,117.81 : 58,741,241.99 = 22,987,005.62 : x - Step 2: Convert to fraction form
42,566,117.81/58,741,241.99 = 22,987,005.62/x - Step 3: Cross multiply
42,566,117.81x = 58,741,241.99 × 22,987,005.62 - Step 4: Simplify right side
42,566,117.81x = 1,350,285,259,341,268.75 - Step 5: Solve for x
x = 1,350,285,259,341,268.75/42,566,117.81 - Step 6: Final answer
x = 31,722,067.43
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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.