Finding the Fourth Proportional to 36,565,087.80, 54,847,631.70 and 12,295,948.80
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Solution
The fourth proportional to 36,565,087.80, 54,847,631.70 and 12,295,948.80 is: 18,443,923.20
Step by Step Solution
- Step 1: Write the proportion equation
36,565,087.80 : 54,847,631.70 = 12,295,948.80 : x - Step 2: Convert to fraction form
36,565,087.80/54,847,631.70 = 12,295,948.80/x - Step 3: Cross multiply
36,565,087.80x = 54,847,631.70 × 12,295,948.80 - Step 4: Simplify right side
36,565,087.80x = 674,403,671,184,457 - Step 5: Solve for x
x = 674,403,671,184,457/36,565,087.80 - Step 6: Final answer
x = 18,443,923.20
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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.