Finding the Fourth Proportional to 43,465,701.60, 65,174,932.80 and 14,697,028.80
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Solution
The fourth proportional to 43,465,701.60, 65,174,932.80 and 14,697,028.80 is: 22,037,556.72
Step by Step Solution
- Step 1: Write the proportion equation
43,465,701.60 : 65,174,932.80 = 14,697,028.80 : x - Step 2: Convert to fraction form
43,465,701.60/65,174,932.80 = 14,697,028.80/x - Step 3: Cross multiply
43,465,701.60x = 65,174,932.80 × 14,697,028.80 - Step 4: Simplify right side
43,465,701.60x = 957,877,864,399,664.62 - Step 5: Solve for x
x = 957,877,864,399,664.62/43,465,701.60 - Step 6: Final answer
x = 22,037,556.72
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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.