Finding the Fourth Proportional to 8,549,620.62, 11,798,247.91 and 4,878,470.49
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Solution
The fourth proportional to 8,549,620.62, 11,798,247.91 and 4,878,470.49 is: 6,732,158.87
Step by Step Solution
- Step 1: Write the proportion equation
8,549,620.62 : 11,798,247.91 = 4,878,470.49 : x - Step 2: Convert to fraction form
8,549,620.62/11,798,247.91 = 4,878,470.49/x - Step 3: Cross multiply
8,549,620.62x = 11,798,247.91 × 4,878,470.49 - Step 4: Simplify right side
8,549,620.62x = 57,557,404,262,639.18 - Step 5: Solve for x
x = 57,557,404,262,639.18/8,549,620.62 - Step 6: Final answer
x = 6,732,158.87
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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.