Finding the Fourth Proportional to 7,405,272.28, 11,108,970.99 and 2,288,148.98
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Solution
The fourth proportional to 7,405,272.28, 11,108,970.99 and 2,288,148.98 is: 3,432,551.80
Step by Step Solution
- Step 1: Write the proportion equation
7,405,272.28 : 11,108,970.99 = 2,288,148.98 : x - Step 2: Convert to fraction form
7,405,272.28/11,108,970.99 = 2,288,148.98/x - Step 3: Cross multiply
7,405,272.28x = 11,108,970.99 × 2,288,148.98 - Step 4: Simplify right side
7,405,272.28x = 25,418,980,646,561.20 - Step 5: Solve for x
x = 25,418,980,646,561.20/7,405,272.28 - Step 6: Final answer
x = 3,432,551.80
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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.