Finding the Fourth Proportional to 10,949,799.55, 15,110,821.28 and 6,055,350.95
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Solution
The fourth proportional to 10,949,799.55, 15,110,821.28 and 6,055,350.95 is: 8,356,438.45
Step by Step Solution
- Step 1: Write the proportion equation
10,949,799.55 : 15,110,821.28 = 6,055,350.95 : x - Step 2: Convert to fraction form
10,949,799.55/15,110,821.28 = 6,055,350.95/x - Step 3: Cross multiply
10,949,799.55x = 15,110,821.28 × 6,055,350.95 - Step 4: Simplify right side
10,949,799.55x = 91,501,325,993,128.22 - Step 5: Solve for x
x = 91,501,325,993,128.22/10,949,799.55 - Step 6: Final answer
x = 8,356,438.45
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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.