Finding the Fourth Proportional to 32,782,950.57, 45,246,395.21 and 19,552,976.49
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Solution
The fourth proportional to 32,782,950.57, 45,246,395.21 and 19,552,976.49 is: 26,986,640.51
Step by Step Solution
- Step 1: Write the proportion equation
32,782,950.57 : 45,246,395.21 = 19,552,976.49 : x - Step 2: Convert to fraction form
32,782,950.57/45,246,395.21 = 19,552,976.49/x - Step 3: Cross multiply
32,782,950.57x = 45,246,395.21 × 19,552,976.49 - Step 4: Simplify right side
32,782,950.57x = 884,701,701,621,029 - Step 5: Solve for x
x = 884,701,701,621,029/32,782,950.57 - Step 6: Final answer
x = 26,986,640.51
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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.