Finding the Fourth Proportional to 39,825,873.76, 59,718,787.44 and 23,212,828.84
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Solution
The fourth proportional to 39,825,873.76, 59,718,787.44 and 23,212,828.84 is: 34,807,572.58
Step by Step Solution
- Step 1: Write the proportion equation
39,825,873.76 : 59,718,787.44 = 23,212,828.84 : x - Step 2: Convert to fraction form
39,825,873.76/59,718,787.44 = 23,212,828.84/x - Step 3: Cross multiply
39,825,873.76x = 59,718,787.44 × 23,212,828.84 - Step 4: Simplify right side
39,825,873.76x = 1,386,241,991,377,061.75 - Step 5: Solve for x
x = 1,386,241,991,377,061.75/39,825,873.76 - Step 6: Final answer
x = 34,807,572.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.