Finding the Fourth Proportional to 27,565,201.44, 38,042,201.95 and 15,805,564.05
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Solution
The fourth proportional to 27,565,201.44, 38,042,201.95 and 15,805,564.05 is: 21,812,953.58
Step by Step Solution
- Step 1: Write the proportion equation
27,565,201.44 : 38,042,201.95 = 15,805,564.05 : x - Step 2: Convert to fraction form
27,565,201.44/38,042,201.95 = 15,805,564.05/x - Step 3: Cross multiply
27,565,201.44x = 38,042,201.95 × 15,805,564.05 - Step 4: Simplify right side
27,565,201.44x = 601,278,459,372,641.62 - Step 5: Solve for x
x = 601,278,459,372,641.62/27,565,201.44 - Step 6: Final answer
x = 21,812,953.58
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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.