Finding the Fourth Proportional to 28,852,505.48, 43,279,312.26 and 13,491,323.66
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Solution
The fourth proportional to 28,852,505.48, 43,279,312.26 and 13,491,323.66 is: 20,237,244.56
Step by Step Solution
- Step 1: Write the proportion equation
28,852,505.48 : 43,279,312.26 = 13,491,323.66 : x - Step 2: Convert to fraction form
28,852,505.48/43,279,312.26 = 13,491,323.66/x - Step 3: Cross multiply
28,852,505.48x = 43,279,312.26 × 13,491,323.66 - Step 4: Simplify right side
28,852,505.48x = 583,895,209,481,866 - Step 5: Solve for x
x = 583,895,209,481,866/28,852,505.48 - Step 6: Final answer
x = 20,237,244.56
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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.