Finding the Fourth Proportional to 22,448,779.92, 30,987,740.88 and 14,714,320.68
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Solution
The fourth proportional to 22,448,779.92, 30,987,740.88 and 14,714,320.68 is: 20,311,284.54
Step by Step Solution
- Step 1: Write the proportion equation
22,448,779.92 : 30,987,740.88 = 14,714,320.68 : x - Step 2: Convert to fraction form
22,448,779.92/30,987,740.88 = 14,714,320.68/x - Step 3: Cross multiply
22,448,779.92x = 30,987,740.88 × 14,714,320.68 - Step 4: Simplify right side
22,448,779.92x = 455,963,556,457,065.38 - Step 5: Solve for x
x = 455,963,556,457,065.38/22,448,779.92 - Step 6: Final answer
x = 20,311,284.54
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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.