Finding the Fourth Proportional to 8,570,479.98, 12,855,470.85 and 2,505,354.21
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Solution
The fourth proportional to 8,570,479.98, 12,855,470.85 and 2,505,354.21 is: 3,757,958.49
Step by Step Solution
- Step 1: Write the proportion equation
8,570,479.98 : 12,855,470.85 = 2,505,354.21 : x - Step 2: Convert to fraction form
8,570,479.98/12,855,470.85 = 2,505,354.21/x - Step 3: Cross multiply
8,570,479.98x = 12,855,470.85 × 2,505,354.21 - Step 4: Simplify right side
8,570,479.98x = 32,207,508,015,579.78 - Step 5: Solve for x
x = 32,207,508,015,579.78/8,570,479.98 - Step 6: Final answer
x = 3,757,958.49
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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.