Finding the Fourth Proportional to 11,546,644.29, 15,933,720.80 and 6,319,641.81
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Solution
The fourth proportional to 11,546,644.29, 15,933,720.80 and 6,319,641.81 is: 8,720,750.85
Step by Step Solution
- Step 1: Write the proportion equation
11,546,644.29 : 15,933,720.80 = 6,319,641.81 : x - Step 2: Convert to fraction form
11,546,644.29/15,933,720.80 = 6,319,641.81/x - Step 3: Cross multiply
11,546,644.29x = 15,933,720.80 × 6,319,641.81 - Step 4: Simplify right side
11,546,644.29x = 100,695,408,045,279.83 - Step 5: Solve for x
x = 100,695,408,045,279.83/11,546,644.29 - Step 6: Final answer
x = 8,720,750.85
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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.