Finding the Fourth Proportional to 19,449,643.26, 29,175,709.05 and 7,482,379.26
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Solution
The fourth proportional to 19,449,643.26, 29,175,709.05 and 7,482,379.26 is: 11,224,047.52
Step by Step Solution
- Step 1: Write the proportion equation
19,449,643.26 : 29,175,709.05 = 7,482,379.26 : x - Step 2: Convert to fraction form
19,449,643.26/29,175,709.05 = 7,482,379.26/x - Step 3: Cross multiply
19,449,643.26x = 29,175,709.05 × 7,482,379.26 - Step 4: Simplify right side
19,449,643.26x = 218,303,720,291,514.31 - Step 5: Solve for x
x = 218,303,720,291,514.31/19,449,643.26 - Step 6: Final answer
x = 11,224,047.52
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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.