Finding the Fourth Proportional to 29,510,109.63, 40,723,988.58 and 16,278,987.44
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Solution
The fourth proportional to 29,510,109.63, 40,723,988.58 and 16,278,987.44 is: 22,465,023.23
Step by Step Solution
- Step 1: Write the proportion equation
29,510,109.63 : 40,723,988.58 = 16,278,987.44 : x - Step 2: Convert to fraction form
29,510,109.63/40,723,988.58 = 16,278,987.44/x - Step 3: Cross multiply
29,510,109.63x = 40,723,988.58 × 16,278,987.44 - Step 4: Simplify right side
29,510,109.63x = 662,945,298,396,903.50 - Step 5: Solve for x
x = 662,945,298,396,903.50/29,510,109.63 - Step 6: Final answer
x = 22,465,023.23
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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.