Finding the Fourth Proportional to 7,156,969.30, 10,731,776.55 and 2,107,623.70
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Solution
The fourth proportional to 7,156,969.30, 10,731,776.55 and 2,107,623.70 is: 3,160,352.61
Step by Step Solution
- Step 1: Write the proportion equation
7,156,969.30 : 10,731,776.55 = 2,107,623.70 : x - Step 2: Convert to fraction form
7,156,969.30/10,731,776.55 = 2,107,623.70/x - Step 3: Cross multiply
7,156,969.30x = 10,731,776.55 × 2,107,623.70 - Step 4: Simplify right side
7,156,969.30x = 22,618,546,599,884.24 - Step 5: Solve for x
x = 22,618,546,599,884.24/7,156,969.30 - Step 6: Final answer
x = 3,160,352.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.