Finding the Fourth Proportional to 7,979,924.94, 11,012,366.35 and 4,542,387
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Solution
The fourth proportional to 7,979,924.94, 11,012,366.35 and 4,542,387 is: 6,268,533.87
Step by Step Solution
- Step 1: Write the proportion equation
7,979,924.94 : 11,012,366.35 = 4,542,387 : x - Step 2: Convert to fraction form
7,979,924.94/11,012,366.35 = 4,542,387/x - Step 3: Cross multiply
7,979,924.94x = 11,012,366.35 × 4,542,387 - Step 4: Simplify right side
7,979,924.94x = 50,022,429,747,477.45 - Step 5: Solve for x
x = 50,022,429,747,477.45/7,979,924.94 - Step 6: Final answer
x = 6,268,533.87
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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.