Finding the Fourth Proportional to 8,189,465.99, 11,301,431.31 and 4,518,611.06
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Solution
The fourth proportional to 8,189,465.99, 11,301,431.31 and 4,518,611.06 is: 6,235,665.74
Step by Step Solution
- Step 1: Write the proportion equation
8,189,465.99 : 11,301,431.31 = 4,518,611.06 : x - Step 2: Convert to fraction form
8,189,465.99/11,301,431.31 = 4,518,611.06/x - Step 3: Cross multiply
8,189,465.99x = 11,301,431.31 × 4,518,611.06 - Step 4: Simplify right side
8,189,465.99x = 51,066,772,454,689.13 - Step 5: Solve for x
x = 51,066,772,454,689.13/8,189,465.99 - Step 6: Final answer
x = 6,235,665.74
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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.