Finding the Fourth Proportional to 19,789,536.62, 29,651,473.28 and 14,003,583.50
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Solution
The fourth proportional to 19,789,536.62, 29,651,473.28 and 14,003,583.50 is: 20,982,142.73
Step by Step Solution
- Step 1: Write the proportion equation
19,789,536.62 : 29,651,473.28 = 14,003,583.50 : x - Step 2: Convert to fraction form
19,789,536.62/29,651,473.28 = 14,003,583.50/x - Step 3: Cross multiply
19,789,536.62x = 29,651,473.28 × 14,003,583.50 - Step 4: Simplify right side
19,789,536.62x = 415,226,881,756,223.56 - Step 5: Solve for x
x = 415,226,881,756,223.56/19,789,536.62 - Step 6: Final answer
x = 20,982,142.73
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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.