Finding the Fourth Proportional to 28,996,431.99, 43,465,918.26 and 13,616,189.52
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Solution
The fourth proportional to 28,996,431.99, 43,465,918.26 and 13,616,189.52 is: 20,410,793.33
Step by Step Solution
- Step 1: Write the proportion equation
28,996,431.99 : 43,465,918.26 = 13,616,189.52 : x - Step 2: Convert to fraction form
28,996,431.99/43,465,918.26 = 13,616,189.52/x - Step 3: Cross multiply
28,996,431.99x = 43,465,918.26 × 13,616,189.52 - Step 4: Simplify right side
28,996,431.99x = 591,840,180,688,988.62 - Step 5: Solve for x
x = 591,840,180,688,988.62/28,996,431.99 - Step 6: Final answer
x = 20,410,793.33
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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.