Finding the Fourth Proportional to 29,185,181.73, 40,275,559.53 and 15,954,416.19
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Solution
The fourth proportional to 29,185,181.73, 40,275,559.53 and 15,954,416.19 is: 22,017,099.12
Step by Step Solution
- Step 1: Write the proportion equation
29,185,181.73 : 40,275,559.53 = 15,954,416.19 : x - Step 2: Convert to fraction form
29,185,181.73/40,275,559.53 = 15,954,416.19/x - Step 3: Cross multiply
29,185,181.73x = 40,275,559.53 × 15,954,416.19 - Step 4: Simplify right side
29,185,181.73x = 642,573,039,026,740.75 - Step 5: Solve for x
x = 642,573,039,026,740.75/29,185,181.73 - Step 6: Final answer
x = 22,017,099.12
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1.5x scale
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.