Finding the Fourth Proportional to 7,644,774.16, 10,549,789.84 and 4,207,015.20
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Solution
The fourth proportional to 7,644,774.16, 10,549,789.84 and 4,207,015.20 is: 5,805,681.80
Step by Step Solution
- Step 1: Write the proportion equation
7,644,774.16 : 10,549,789.84 = 4,207,015.20 : x - Step 2: Convert to fraction form
7,644,774.16/10,549,789.84 = 4,207,015.20/x - Step 3: Cross multiply
7,644,774.16x = 10,549,789.84 × 4,207,015.20 - Step 4: Simplify right side
7,644,774.16x = 44,383,126,213,685.57 - Step 5: Solve for x
x = 44,383,126,213,685.57/7,644,774.16 - Step 6: Final answer
x = 5,805,681.80
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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.