Finding the Fourth Proportional to 16,317,589.70, 22,518,698.49 and 8,975,612
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Solution
The fourth proportional to 16,317,589.70, 22,518,698.49 and 8,975,612 is: 12,386,578.17
Step by Step Solution
- Step 1: Write the proportion equation
16,317,589.70 : 22,518,698.49 = 8,975,612 : x - Step 2: Convert to fraction form
16,317,589.70/22,518,698.49 = 8,975,612/x - Step 3: Cross multiply
16,317,589.70x = 22,518,698.49 × 8,975,612 - Step 4: Simplify right side
16,317,589.70x = 202,119,100,391,225.88 - Step 5: Solve for x
x = 202,119,100,391,225.88/16,317,589.70 - Step 6: Final answer
x = 12,386,578.17
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1.5x scale
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.