Finding the Fourth Proportional to 7,775,101.49, 10,731,774.11 and 4,512,967.20
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Solution
The fourth proportional to 7,775,101.49, 10,731,774.11 and 4,512,967.20 is: 6,229,133.42
Step by Step Solution
- Step 1: Write the proportion equation
7,775,101.49 : 10,731,774.11 = 4,512,967.20 : x - Step 2: Convert to fraction form
7,775,101.49/10,731,774.11 = 4,512,967.20/x - Step 3: Cross multiply
7,775,101.49x = 10,731,774.11 × 4,512,967.20 - Step 4: Simplify right side
7,775,101.49x = 48,432,144,533,674.36 - Step 5: Solve for x
x = 48,432,144,533,674.36/7,775,101.49 - Step 6: Final answer
x = 6,229,133.42
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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.