Finding the Fourth Proportional to 7,766,313.21, 11,651,151.41 and 2,974,002.68
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Solution
The fourth proportional to 7,766,313.21, 11,651,151.41 and 2,974,002.68 is: 4,461,647.95
Step by Step Solution
- Step 1: Write the proportion equation
7,766,313.21 : 11,651,151.41 = 2,974,002.68 : x - Step 2: Convert to fraction form
7,766,313.21/11,651,151.41 = 2,974,002.68/x - Step 3: Cross multiply
7,766,313.21x = 11,651,151.41 × 2,974,002.68 - Step 4: Simplify right side
7,766,313.21x = 34,650,555,445,300.00 - Step 5: Solve for x
x = 34,650,555,445,300.00/7,766,313.21 - Step 6: Final answer
x = 4,461,647.95
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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.