Finding the Fourth Proportional to 22,195,358.66, 30,628,655.60 and 13,939,734.98
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Solution
The fourth proportional to 22,195,358.66, 30,628,655.60 and 13,939,734.98 is: 19,236,244.32
Step by Step Solution
- Step 1: Write the proportion equation
22,195,358.66 : 30,628,655.60 = 13,939,734.98 : x - Step 2: Convert to fraction form
22,195,358.66/30,628,655.60 = 13,939,734.98/x - Step 3: Cross multiply
22,195,358.66x = 30,628,655.60 × 13,939,734.98 - Step 4: Simplify right side
22,195,358.66x = 426,955,341,857,692.94 - Step 5: Solve for x
x = 426,955,341,857,692.94/22,195,358.66 - Step 6: Final answer
x = 19,236,244.32
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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.