Finding the Fourth Proportional to 7,692,800.99, 11,538,880.65 and 2,012,899.55
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Solution
The fourth proportional to 7,692,800.99, 11,538,880.65 and 2,012,899.55 is: 3,019,265.37
Step by Step Solution
- Step 1: Write the proportion equation
7,692,800.99 : 11,538,880.65 = 2,012,899.55 : x - Step 2: Convert to fraction form
7,692,800.99/11,538,880.65 = 2,012,899.55/x - Step 3: Cross multiply
7,692,800.99x = 11,538,880.65 × 2,012,899.55 - Step 4: Simplify right side
7,692,800.99x = 23,226,607,610,194.30 - Step 5: Solve for x
x = 23,226,607,610,194.30/7,692,800.99 - Step 6: Final answer
x = 3,019,265.37
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1.5x scale
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.