Finding the Fourth Proportional to 35,513,855.81, 53,273,189.42 and 12,481,990.19
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Solution
The fourth proportional to 35,513,855.81, 53,273,189.42 and 12,481,990.19 is: 18,723,830.81
Step by Step Solution
- Step 1: Write the proportion equation
35,513,855.81 : 53,273,189.42 = 12,481,990.19 : x - Step 2: Convert to fraction form
35,513,855.81/53,273,189.42 = 12,481,990.19/x - Step 3: Cross multiply
35,513,855.81x = 53,273,189.42 × 12,481,990.19 - Step 4: Simplify right side
35,513,855.81x = 664,955,427,730,451.75 - Step 5: Solve for x
x = 664,955,427,730,451.75/35,513,855.81 - Step 6: Final answer
x = 18,723,830.81
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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.