Finding the Fourth Proportional to 18,793,752.80, 28,211,624.40 and 17,560,284.80
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Solution
The fourth proportional to 18,793,752.80, 28,211,624.40 and 17,560,284.80 is: 26,360,044.45
Step by Step Solution
- Step 1: Write the proportion equation
18,793,752.80 : 28,211,624.40 = 17,560,284.80 : x - Step 2: Convert to fraction form
18,793,752.80/28,211,624.40 = 17,560,284.80/x - Step 3: Cross multiply
18,793,752.80x = 28,211,624.40 × 17,560,284.80 - Step 4: Simplify right side
18,793,752.80x = 495,404,159,134,629.12 - Step 5: Solve for x
x = 495,404,159,134,629.12/18,793,752.80 - Step 6: Final answer
x = 26,360,044.45
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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.