Finding the Fourth Proportional to 22,596,483.99, 31,183,489.57 and 12,675,565.86
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Solution
The fourth proportional to 22,596,483.99, 31,183,489.57 and 12,675,565.86 is: 17,492,472.54
Step by Step Solution
- Step 1: Write the proportion equation
22,596,483.99 : 31,183,489.57 = 12,675,565.86 : x - Step 2: Convert to fraction form
22,596,483.99/31,183,489.57 = 12,675,565.86/x - Step 3: Cross multiply
22,596,483.99x = 31,183,489.57 × 12,675,565.86 - Step 4: Simplify right side
22,596,483.99x = 395,268,375,688,064.44 - Step 5: Solve for x
x = 395,268,375,688,064.44/22,596,483.99 - Step 6: Final answer
x = 17,492,472.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.