Finding the Fourth Proportional to 36,049,976.76, 49,750,960.14 and 20,585,029.08
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Solution
The fourth proportional to 36,049,976.76, 49,750,960.14 and 20,585,029.08 is: 28,408,477.71
Step by Step Solution
- Step 1: Write the proportion equation
36,049,976.76 : 49,750,960.14 = 20,585,029.08 : x - Step 2: Convert to fraction form
36,049,976.76/49,750,960.14 = 20,585,029.08/x - Step 3: Cross multiply
36,049,976.76x = 49,750,960.14 × 20,585,029.08 - Step 4: Simplify right side
36,049,976.76x = 1,024,124,961,239,820.75 - Step 5: Solve for x
x = 1,024,124,961,239,820.75/36,049,976.76 - Step 6: Final answer
x = 28,408,477.71
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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.