Finding the Fourth Proportional to 11,897,182.75, 16,418,210.61 and 6,464,674.75
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Solution
The fourth proportional to 11,897,182.75, 16,418,210.61 and 6,464,674.75 is: 8,921,304.63
Step by Step Solution
- Step 1: Write the proportion equation
11,897,182.75 : 16,418,210.61 = 6,464,674.75 : x - Step 2: Convert to fraction form
11,897,182.75/16,418,210.61 = 6,464,674.75/x - Step 3: Cross multiply
11,897,182.75x = 16,418,210.61 × 6,464,674.75 - Step 4: Simplify right side
11,897,182.75x = 106,138,391,570,649.09 - Step 5: Solve for x
x = 106,138,391,570,649.09/11,897,182.75 - Step 6: Final answer
x = 8,921,304.63
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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.