Finding the Fourth Proportional to 7,886,334.98, 11,830,446.84 and 2,420,713.87
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Solution
The fourth proportional to 7,886,334.98, 11,830,446.84 and 2,420,713.87 is: 3,631,360.68
Step by Step Solution
- Step 1: Write the proportion equation
7,886,334.98 : 11,830,446.84 = 2,420,713.87 : x - Step 2: Convert to fraction form
7,886,334.98/11,830,446.84 = 2,420,713.87/x - Step 3: Cross multiply
7,886,334.98x = 11,830,446.84 × 2,420,713.87 - Step 4: Simplify right side
7,886,334.98x = 28,638,126,753,885.67 - Step 5: Solve for x
x = 28,638,126,753,885.67/7,886,334.98 - Step 6: Final answer
x = 3,631,360.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.