Finding the Fourth Proportional to 22,787,968.14, 34,341,909.80 and 20,515,762.62
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Solution
The fourth proportional to 22,787,968.14, 34,341,909.80 and 20,515,762.62 is: 30,917,652.02
Step by Step Solution
- Step 1: Write the proportion equation
22,787,968.14 : 34,341,909.80 = 20,515,762.62 : x - Step 2: Convert to fraction form
22,787,968.14/34,341,909.80 = 20,515,762.62/x - Step 3: Cross multiply
22,787,968.14x = 34,341,909.80 × 20,515,762.62 - Step 4: Simplify right side
22,787,968.14x = 704,550,469,271,672.88 - Step 5: Solve for x
x = 704,550,469,271,672.88/22,787,968.14 - Step 6: Final answer
x = 30,917,652.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.