Finding the Fourth Proportional to 18,668,854.20, 27,970,103.70 and 16,014,646.20
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Solution
The fourth proportional to 18,668,854.20, 27,970,103.70 and 16,014,646.20 is: 23,993,508.66
Step by Step Solution
- Step 1: Write the proportion equation
18,668,854.20 : 27,970,103.70 = 16,014,646.20 : x - Step 2: Convert to fraction form
18,668,854.20/27,970,103.70 = 16,014,646.20/x - Step 3: Cross multiply
18,668,854.20x = 27,970,103.70 × 16,014,646.20 - Step 4: Simplify right side
18,668,854.20x = 447,931,314,932,810.94 - Step 5: Solve for x
x = 447,931,314,932,810.94/18,668,854.20 - Step 6: Final answer
x = 23,993,508.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.