Finding the Fourth Proportional to 37,294,708.92, 51,465,922.79 and 20,774,810.76
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Solution
The fourth proportional to 37,294,708.92, 51,465,922.79 and 20,774,810.76 is: 28,668,806.85
Step by Step Solution
- Step 1: Write the proportion equation
37,294,708.92 : 51,465,922.79 = 20,774,810.76 : x - Step 2: Convert to fraction form
37,294,708.92/51,465,922.79 = 20,774,810.76/x - Step 3: Cross multiply
37,294,708.92x = 51,465,922.79 × 20,774,810.76 - Step 4: Simplify right side
37,294,708.92x = 1,069,194,806,551,021.25 - Step 5: Solve for x
x = 1,069,194,806,551,021.25/37,294,708.92 - Step 6: Final answer
x = 28,668,806.85
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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.