Finding the Fourth Proportional to 23,378,451.41, 32,263,695.29 and 13,065,997.97
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Solution
The fourth proportional to 23,378,451.41, 32,263,695.29 and 13,065,997.97 is: 18,031,877.72
Step by Step Solution
- Step 1: Write the proportion equation
23,378,451.41 : 32,263,695.29 = 13,065,997.97 : x - Step 2: Convert to fraction form
23,378,451.41/32,263,695.29 = 13,065,997.97/x - Step 3: Cross multiply
23,378,451.41x = 32,263,695.29 × 13,065,997.97 - Step 4: Simplify right side
23,378,451.41x = 421,557,377,163,838.56 - Step 5: Solve for x
x = 421,557,377,163,838.56/23,378,451.41 - Step 6: Final answer
x = 18,031,877.72
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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.