Finding the Fourth Proportional to 14,461,679.38, 21,692,646.18 and 3,678,991.63
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Solution
The fourth proportional to 14,461,679.38, 21,692,646.18 and 3,678,991.63 is: 5,518,519.78
Step by Step Solution
- Step 1: Write the proportion equation
14,461,679.38 : 21,692,646.18 = 3,678,991.63 : x - Step 2: Convert to fraction form
14,461,679.38/21,692,646.18 = 3,678,991.63/x - Step 3: Cross multiply
14,461,679.38x = 21,692,646.18 × 3,678,991.63 - Step 4: Simplify right side
14,461,679.38x = 79,807,063,620,308.23 - Step 5: Solve for x
x = 79,807,063,620,308.23/14,461,679.38 - Step 6: Final answer
x = 5,518,519.78
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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.