Finding the Fourth Proportional to 23,378,449.41, 32,263,692.53 and 13,065,995.97
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Solution
The fourth proportional to 23,378,449.41, 32,263,692.53 and 13,065,995.97 is: 18,031,874.96
Step by Step Solution
- Step 1: Write the proportion equation
23,378,449.41 : 32,263,692.53 = 13,065,995.97 : x - Step 2: Convert to fraction form
23,378,449.41/32,263,692.53 = 13,065,995.97/x - Step 3: Cross multiply
23,378,449.41x = 32,263,692.53 × 13,065,995.97 - Step 4: Simplify right side
23,378,449.41x = 421,557,276,508,969.12 - Step 5: Solve for x
x = 421,557,276,508,969.12/23,378,449.41 - Step 6: Final answer
x = 18,031,874.96
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1.5x scale
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.