Finding the Fourth Proportional to 14,230,741.48, 19,638,285.78 and 7,704,203.56
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Solution
The fourth proportional to 14,230,741.48, 19,638,285.78 and 7,704,203.56 is: 10,631,726.49
Step by Step Solution
- Step 1: Write the proportion equation
14,230,741.48 : 19,638,285.78 = 7,704,203.56 : x - Step 2: Convert to fraction form
14,230,741.48/19,638,285.78 = 7,704,203.56/x - Step 3: Cross multiply
14,230,741.48x = 19,638,285.78 × 7,704,203.56 - Step 4: Simplify right side
14,230,741.48x = 151,297,351,218,573.38 - Step 5: Solve for x
x = 151,297,351,218,573.38/14,230,741.48 - Step 6: Final answer
x = 10,631,726.49
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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.