Finding the Fourth Proportional to 37,193,493.28, 51,340,943.84 and 27,927,829.76
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Solution
The fourth proportional to 37,193,493.28, 51,340,943.84 and 27,927,829.76 is: 38,550,859.65
Step by Step Solution
- Step 1: Write the proportion equation
37,193,493.28 : 51,340,943.84 = 27,927,829.76 : x - Step 2: Convert to fraction form
37,193,493.28/51,340,943.84 = 27,927,829.76/x - Step 3: Cross multiply
37,193,493.28x = 51,340,943.84 × 27,927,829.76 - Step 4: Simplify right side
37,193,493.28x = 1,433,841,139,281,240.75 - Step 5: Solve for x
x = 1,433,841,139,281,240.75/37,193,493.28 - Step 6: Final answer
x = 38,550,859.65
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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.