Finding the Fourth Proportional to 8,410,851.65, 12,616,276.17 and 2,021,104.01
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Solution
The fourth proportional to 8,410,851.65, 12,616,276.17 and 2,021,104.01 is: 3,031,655.70
Step by Step Solution
- Step 1: Write the proportion equation
8,410,851.65 : 12,616,276.17 = 2,021,104.01 : x - Step 2: Convert to fraction form
8,410,851.65/12,616,276.17 = 2,021,104.01/x - Step 3: Cross multiply
8,410,851.65x = 12,616,276.17 × 2,021,104.01 - Step 4: Simplify right side
8,410,851.65x = 25,498,806,295,373.06 - Step 5: Solve for x
x = 25,498,806,295,373.06/8,410,851.65 - Step 6: Final answer
x = 3,031,655.70
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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.