Finding the Fourth Proportional to 18,764,031.38, 28,164,247.70 and 9,055,476.70
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Solution
The fourth proportional to 18,764,031.38, 28,164,247.70 and 9,055,476.70 is: 13,591,998.63
Step by Step Solution
- Step 1: Write the proportion equation
18,764,031.38 : 28,164,247.70 = 9,055,476.70 : x - Step 2: Convert to fraction form
18,764,031.38/28,164,247.70 = 9,055,476.70/x - Step 3: Cross multiply
18,764,031.38x = 28,164,247.70 × 9,055,476.70 - Step 4: Simplify right side
18,764,031.38x = 255,040,688,704,690.59 - Step 5: Solve for x
x = 255,040,688,704,690.59/18,764,031.38 - Step 6: Final answer
x = 13,591,998.63
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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.