Finding the Fourth Proportional to 39,442,581.42, 59,163,873.21 and 10,688,715.96
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Solution
The fourth proportional to 39,442,581.42, 59,163,873.21 and 10,688,715.96 is: 16,033,074.23
Step by Step Solution
- Step 1: Write the proportion equation
39,442,581.42 : 59,163,873.21 = 10,688,715.96 : x - Step 2: Convert to fraction form
39,442,581.42/59,163,873.21 = 10,688,715.96/x - Step 3: Cross multiply
39,442,581.42x = 59,163,873.21 × 10,688,715.96 - Step 4: Simplify right side
39,442,581.42x = 632,385,835,835,143.50 - Step 5: Solve for x
x = 632,385,835,835,143.50/39,442,581.42 - Step 6: Final answer
x = 16,033,074.23
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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.