Finding the Fourth Proportional to 13,752,995.49, 20,602,537.80 and 7,983,631.98
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Solution
The fourth proportional to 13,752,995.49, 20,602,537.80 and 7,983,631.98 is: 11,959,800.30
Step by Step Solution
- Step 1: Write the proportion equation
13,752,995.49 : 20,602,537.80 = 7,983,631.98 : x - Step 2: Convert to fraction form
13,752,995.49/20,602,537.80 = 7,983,631.98/x - Step 3: Cross multiply
13,752,995.49x = 20,602,537.80 × 7,983,631.98 - Step 4: Simplify right side
13,752,995.49x = 164,483,079,649,238.84 - Step 5: Solve for x
x = 164,483,079,649,238.84/13,752,995.49 - Step 6: Final answer
x = 11,959,800.30
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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.