Finding the Fourth Proportional to 18,698,083.40, 28,040,126.70 and 6,562,857.80
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Solution
The fourth proportional to 18,698,083.40, 28,040,126.70 and 6,562,857.80 is: 9,841,830.33
Step by Step Solution
- Step 1: Write the proportion equation
18,698,083.40 : 28,040,126.70 = 6,562,857.80 : x - Step 2: Convert to fraction form
18,698,083.40/28,040,126.70 = 6,562,857.80/x - Step 3: Cross multiply
18,698,083.40x = 28,040,126.70 × 6,562,857.80 - Step 4: Simplify right side
18,698,083.40x = 184,023,364,226,083.25 - Step 5: Solve for x
x = 184,023,364,226,083.25/18,698,083.40 - Step 6: Final answer
x = 9,841,830.33
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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.