Finding the Fourth Proportional to 9,987,329.19, 14,941,576.76 and 7,695,490.49
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Solution
The fourth proportional to 9,987,329.19, 14,941,576.76 and 7,695,490.49 is: 11,512,863.91
Step by Step Solution
- Step 1: Write the proportion equation
9,987,329.19 : 14,941,576.76 = 7,695,490.49 : x - Step 2: Convert to fraction form
9,987,329.19/14,941,576.76 = 7,695,490.49/x - Step 3: Cross multiply
9,987,329.19x = 14,941,576.76 × 7,695,490.49 - Step 4: Simplify right side
9,987,329.19x = 114,982,761,748,999.69 - Step 5: Solve for x
x = 114,982,761,748,999.69/9,987,329.19 - Step 6: Final answer
x = 11,512,863.91
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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.