Finding the Fourth Proportional to 13,646,050.70, 18,824,753.57 and 8,135,546.99
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Solution
The fourth proportional to 13,646,050.70, 18,824,753.57 and 8,135,546.99 is: 11,223,002.94
Step by Step Solution
- Step 1: Write the proportion equation
13,646,050.70 : 18,824,753.57 = 8,135,546.99 : x - Step 2: Convert to fraction form
13,646,050.70/18,824,753.57 = 8,135,546.99/x - Step 3: Cross multiply
13,646,050.70x = 18,824,753.57 × 8,135,546.99 - Step 4: Simplify right side
13,646,050.70x = 153,149,667,109,103.78 - Step 5: Solve for x
x = 153,149,667,109,103.78/13,646,050.70 - Step 6: Final answer
x = 11,223,002.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.