Finding the Fourth Proportional to 13,667,645.06, 18,861,384.09 and 7,473,091.49
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Solution
The fourth proportional to 13,667,645.06, 18,861,384.09 and 7,473,091.49 is: 10,312,884.80
Step by Step Solution
- Step 1: Write the proportion equation
13,667,645.06 : 18,861,384.09 = 7,473,091.49 : x - Step 2: Convert to fraction form
13,667,645.06/18,861,384.09 = 7,473,091.49/x - Step 3: Cross multiply
13,667,645.06x = 18,861,384.09 × 7,473,091.49 - Step 4: Simplify right side
13,667,645.06x = 140,952,848,937,047.75 - Step 5: Solve for x
x = 140,952,848,937,047.75/13,667,645.06 - Step 6: Final answer
x = 10,312,884.80
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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.