Finding the Fourth Proportional to 28,614,321.60, 42,921,494 and 7,049,342.76
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Solution
The fourth proportional to 28,614,321.60, 42,921,494 and 7,049,342.76 is: 10,574,017.00
Step by Step Solution
- Step 1: Write the proportion equation
28,614,321.60 : 42,921,494 = 7,049,342.76 : x - Step 2: Convert to fraction form
28,614,321.60/42,921,494 = 7,049,342.76/x - Step 3: Cross multiply
28,614,321.60x = 42,921,494 × 7,049,342.76 - Step 4: Simplify right side
28,614,321.60x = 302,568,322,977,283.44 - Step 5: Solve for x
x = 302,568,322,977,283.44/28,614,321.60 - Step 6: Final answer
x = 10,574,017.00
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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.