Finding the Fourth Proportional to 57,209,421.97, 85,816,776.80 and 18,874,286.29
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Solution
The fourth proportional to 57,209,421.97, 85,816,776.80 and 18,874,286.29 is: 28,312,301.68
Step by Step Solution
- Step 1: Write the proportion equation
57,209,421.97 : 85,816,776.80 = 18,874,286.29 : x - Step 2: Convert to fraction form
57,209,421.97/85,816,776.80 = 18,874,286.29/x - Step 3: Cross multiply
57,209,421.97x = 85,816,776.80 × 18,874,286.29 - Step 4: Simplify right side
57,209,421.97x = 1,619,730,413,808,230 - Step 5: Solve for x
x = 1,619,730,413,808,230/57,209,421.97 - Step 6: Final answer
x = 28,312,301.68
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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.