Finding the Fourth Proportional to 11,268,101.97, 15,550,332.72 and 6,373,228.28
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Solution
The fourth proportional to 11,268,101.97, 15,550,332.72 and 6,373,228.28 is: 8,795,254.12
Step by Step Solution
- Step 1: Write the proportion equation
11,268,101.97 : 15,550,332.72 = 6,373,228.28 : x - Step 2: Convert to fraction form
11,268,101.97/15,550,332.72 = 6,373,228.28/x - Step 3: Cross multiply
11,268,101.97x = 15,550,332.72 × 6,373,228.28 - Step 4: Simplify right side
11,268,101.97x = 99,105,820,240,332.67 - Step 5: Solve for x
x = 99,105,820,240,332.67/11,268,101.97 - Step 6: Final answer
x = 8,795,254.12
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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.