Finding the Fourth Proportional to 29,720,151.75, 40,975,842.50 and 19,247,663.98
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Solution
The fourth proportional to 29,720,151.75, 40,975,842.50 and 19,247,663.98 is: 26,537,187.77
Step by Step Solution
- Step 1: Write the proportion equation
29,720,151.75 : 40,975,842.50 = 19,247,663.98 : x - Step 2: Convert to fraction form
29,720,151.75/40,975,842.50 = 19,247,663.98/x - Step 3: Cross multiply
29,720,151.75x = 40,975,842.50 × 19,247,663.98 - Step 4: Simplify right side
29,720,151.75x = 788,689,247,764,563.38 - Step 5: Solve for x
x = 788,689,247,764,563.38/29,720,151.75 - Step 6: Final answer
x = 26,537,187.77
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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.