Finding the Fourth Proportional to 18,850,821.04, 28,275,666.18 and 5,204,801.08
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Solution
The fourth proportional to 18,850,821.04, 28,275,666.18 and 5,204,801.08 is: 7,807,045.52
Step by Step Solution
- Step 1: Write the proportion equation
18,850,821.04 : 28,275,666.18 = 5,204,801.08 : x - Step 2: Convert to fraction form
18,850,821.04/28,275,666.18 = 5,204,801.08/x - Step 3: Cross multiply
18,850,821.04x = 28,275,666.18 × 5,204,801.08 - Step 4: Simplify right side
18,850,821.04x = 147,169,217,871,383.47 - Step 5: Solve for x
x = 147,169,217,871,383.47/18,850,821.04 - Step 6: Final answer
x = 7,807,045.52
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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.