Finding the Fourth Proportional to 32,993,822.68, 45,531,970.66 and 18,310,440.28
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Solution
The fourth proportional to 32,993,822.68, 45,531,970.66 and 18,310,440.28 is: 25,268,682.50
Step by Step Solution
- Step 1: Write the proportion equation
32,993,822.68 : 45,531,970.66 = 18,310,440.28 : x - Step 2: Convert to fraction form
32,993,822.68/45,531,970.66 = 18,310,440.28/x - Step 3: Cross multiply
32,993,822.68x = 45,531,970.66 × 18,310,440.28 - Step 4: Simplify right side
32,993,822.68x = 833,710,429,600,642.12 - Step 5: Solve for x
x = 833,710,429,600,642.12/32,993,822.68 - Step 6: Final answer
x = 25,268,682.50
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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.