Finding the Fourth Proportional to 10,330,057.60, 15,477,371.70 and 4,927,074.10
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Solution
The fourth proportional to 10,330,057.60, 15,477,371.70 and 4,927,074.10 is: 7,382,161.86
Step by Step Solution
- Step 1: Write the proportion equation
10,330,057.60 : 15,477,371.70 = 4,927,074.10 : x - Step 2: Convert to fraction form
10,330,057.60/15,477,371.70 = 4,927,074.10/x - Step 3: Cross multiply
10,330,057.60x = 15,477,371.70 × 4,927,074.10 - Step 4: Simplify right side
10,330,057.60x = 76,258,157,239,142.95 - Step 5: Solve for x
x = 76,258,157,239,142.95/10,330,057.60 - Step 6: Final answer
x = 7,382,161.86
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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.