Finding the Fourth Proportional to 45,943,816.20, 68,911,058.70 and 15,651,241.80
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Solution
The fourth proportional to 45,943,816.20, 68,911,058.70 and 15,651,241.80 is: 23,475,273.31
Step by Step Solution
- Step 1: Write the proportion equation
45,943,816.20 : 68,911,058.70 = 15,651,241.80 : x - Step 2: Convert to fraction form
45,943,816.20/68,911,058.70 = 15,651,241.80/x - Step 3: Cross multiply
45,943,816.20x = 68,911,058.70 × 15,651,241.80 - Step 4: Simplify right side
45,943,816.20x = 1,078,543,642,407,693.75 - Step 5: Solve for x
x = 1,078,543,642,407,693.75/45,943,816.20 - Step 6: Final answer
x = 23,475,273.31
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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.