Finding the Fourth Proportional to 9,122,987.23, 12,589,755.74 and 4,936,672.15
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Solution
The fourth proportional to 9,122,987.23, 12,589,755.74 and 4,936,672.15 is: 6,812,625.62
Step by Step Solution
- Step 1: Write the proportion equation
9,122,987.23 : 12,589,755.74 = 4,936,672.15 : x - Step 2: Convert to fraction form
9,122,987.23/12,589,755.74 = 4,936,672.15/x - Step 3: Cross multiply
9,122,987.23x = 12,589,755.74 × 4,936,672.15 - Step 4: Simplify right side
9,122,987.23x = 62,151,496,536,960.65 - Step 5: Solve for x
x = 62,151,496,536,960.65/9,122,987.23 - Step 6: Final answer
x = 6,812,625.62
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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.