Finding the Fourth Proportional to 9,556,811.70, 14,335,217.55 and 2,825,225.70
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Solution
The fourth proportional to 9,556,811.70, 14,335,217.55 and 2,825,225.70 is: 4,237,838.55
Step by Step Solution
- Step 1: Write the proportion equation
9,556,811.70 : 14,335,217.55 = 2,825,225.70 : x - Step 2: Convert to fraction form
9,556,811.70/14,335,217.55 = 2,825,225.70/x - Step 3: Cross multiply
9,556,811.70x = 14,335,217.55 × 2,825,225.70 - Step 4: Simplify right side
9,556,811.70x = 40,500,225,037,351.04 - Step 5: Solve for x
x = 40,500,225,037,351.04/9,556,811.70 - Step 6: Final answer
x = 4,237,838.55
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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.