Finding the Fourth Proportional to 7,979,924.69, 11,012,366 and 4,542,386.75
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Solution
The fourth proportional to 7,979,924.69, 11,012,366 and 4,542,386.75 is: 6,268,533.52
Step by Step Solution
- Step 1: Write the proportion equation
7,979,924.69 : 11,012,366 = 4,542,386.75 : x - Step 2: Convert to fraction form
7,979,924.69/11,012,366 = 4,542,386.75/x - Step 3: Cross multiply
7,979,924.69x = 11,012,366 × 4,542,386.75 - Step 4: Simplify right side
7,979,924.69x = 50,022,425,404,550.50 - Step 5: Solve for x
x = 50,022,425,404,550.50/7,979,924.69 - Step 6: Final answer
x = 6,268,533.52
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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.