Finding the Fourth Proportional to 39,819,586.23, 54,948,938.76 and 22,415,352.75
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Solution
The fourth proportional to 39,819,586.23, 54,948,938.76 and 22,415,352.75 is: 30,932,010.15
Step by Step Solution
- Step 1: Write the proportion equation
39,819,586.23 : 54,948,938.76 = 22,415,352.75 : x - Step 2: Convert to fraction form
39,819,586.23/54,948,938.76 = 22,415,352.75/x - Step 3: Cross multiply
39,819,586.23x = 54,948,938.76 × 22,415,352.75 - Step 4: Simplify right side
39,819,586.23x = 1,231,699,845,543,547.50 - Step 5: Solve for x
x = 1,231,699,845,543,547.50/39,819,586.23 - Step 6: Final answer
x = 30,932,010.15
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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.