Finding the Fourth Proportional to 7,806,857.68, 11,709,102.84 and 2,127,535.12
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Solution
The fourth proportional to 7,806,857.68, 11,709,102.84 and 2,127,535.12 is: 3,190,980.10
Step by Step Solution
- Step 1: Write the proportion equation
7,806,857.68 : 11,709,102.84 = 2,127,535.12 : x - Step 2: Convert to fraction form
7,806,857.68/11,709,102.84 = 2,127,535.12/x - Step 3: Cross multiply
7,806,857.68x = 11,709,102.84 × 2,127,535.12 - Step 4: Simplify right side
7,806,857.68x = 24,911,527,515,791.74 - Step 5: Solve for x
x = 24,911,527,515,791.74/7,806,857.68 - Step 6: Final answer
x = 3,190,980.10
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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.