Finding the Fourth Proportional to 8,872,830.24, 12,244,542.56 and 4,798,449.28
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Solution
The fourth proportional to 8,872,830.24, 12,244,542.56 and 4,798,449.28 is: 6,621,879.92
Step by Step Solution
- Step 1: Write the proportion equation
8,872,830.24 : 12,244,542.56 = 4,798,449.28 : x - Step 2: Convert to fraction form
8,872,830.24/12,244,542.56 = 4,798,449.28/x - Step 3: Cross multiply
8,872,830.24x = 12,244,542.56 × 4,798,449.28 - Step 4: Simplify right side
8,872,830.24x = 58,754,816,430,961.36 - Step 5: Solve for x
x = 58,754,816,430,961.36/8,872,830.24 - Step 6: Final answer
x = 6,621,879.92
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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.