Finding the Fourth Proportional to 19,562,430.30, 29,343,645.45 and 16,397,403.90
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Solution
The fourth proportional to 19,562,430.30, 29,343,645.45 and 16,397,403.90 is: 24,596,105.85
Step by Step Solution
- Step 1: Write the proportion equation
19,562,430.30 : 29,343,645.45 = 16,397,403.90 : x - Step 2: Convert to fraction form
19,562,430.30/29,343,645.45 = 16,397,403.90/x - Step 3: Cross multiply
19,562,430.30x = 29,343,645.45 × 16,397,403.90 - Step 4: Simplify right side
19,562,430.30x = 481,159,606,342,047.25 - Step 5: Solve for x
x = 481,159,606,342,047.25/19,562,430.30 - Step 6: Final answer
x = 24,596,105.85
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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.