Finding the Fourth Proportional to 17,619,701.80, 26,429,552.70 and 15,772,124.20
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Solution
The fourth proportional to 17,619,701.80, 26,429,552.70 and 15,772,124.20 is: 23,658,186.30
Step by Step Solution
- Step 1: Write the proportion equation
17,619,701.80 : 26,429,552.70 = 15,772,124.20 : x - Step 2: Convert to fraction form
17,619,701.80/26,429,552.70 = 15,772,124.20/x - Step 3: Cross multiply
17,619,701.80x = 26,429,552.70 × 15,772,124.20 - Step 4: Simplify right side
17,619,701.80x = 416,850,187,734,845.31 - Step 5: Solve for x
x = 416,850,187,734,845.31/17,619,701.80 - Step 6: Final answer
x = 23,658,186.30
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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.