Finding the Fourth Proportional to 19,928,297.70, 29,873,638.35 and 10,816,964.10
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Solution
The fourth proportional to 19,928,297.70, 29,873,638.35 and 10,816,964.10 is: 16,215,237.17
Step by Step Solution
- Step 1: Write the proportion equation
19,928,297.70 : 29,873,638.35 = 10,816,964.10 : x - Step 2: Convert to fraction form
19,928,297.70/29,873,638.35 = 10,816,964.10/x - Step 3: Cross multiply
19,928,297.70x = 29,873,638.35 × 10,816,964.10 - Step 4: Simplify right side
19,928,297.70x = 323,142,073,568,333.25 - Step 5: Solve for x
x = 323,142,073,568,333.25/19,928,297.70 - Step 6: Final answer
x = 16,215,237.17
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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.