Finding the Fourth Proportional to 9,719,619.28, 13,414,797.12 and 5,589,332.08
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Solution
The fourth proportional to 9,719,619.28, 13,414,797.12 and 5,589,332.08 is: 7,714,268.81
Step by Step Solution
- Step 1: Write the proportion equation
9,719,619.28 : 13,414,797.12 = 5,589,332.08 : x - Step 2: Convert to fraction form
9,719,619.28/13,414,797.12 = 5,589,332.08/x - Step 3: Cross multiply
9,719,619.28x = 13,414,797.12 × 5,589,332.08 - Step 4: Simplify right side
9,719,619.28x = 74,979,755,889,507.61 - Step 5: Solve for x
x = 74,979,755,889,507.61/9,719,619.28 - Step 6: Final answer
x = 7,714,268.81
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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.