Finding the Fourth Proportional to 7,005,722.72, 10,509,027.12 and 2,961,456.80
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Solution
The fourth proportional to 7,005,722.72, 10,509,027.12 and 2,961,456.80 is: 4,442,372.48
Step by Step Solution
- Step 1: Write the proportion equation
7,005,722.72 : 10,509,027.12 = 2,961,456.80 : x - Step 2: Convert to fraction form
7,005,722.72/10,509,027.12 = 2,961,456.80/x - Step 3: Cross multiply
7,005,722.72x = 10,509,027.12 × 2,961,456.80 - Step 4: Simplify right side
7,005,722.72x = 31,122,029,825,908.41 - Step 5: Solve for x
x = 31,122,029,825,908.41/7,005,722.72 - Step 6: Final answer
x = 4,442,372.48
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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.