Finding the Fourth Proportional to 13,866,121.68, 19,135,182.60 and 7,754,574.48
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Solution
The fourth proportional to 13,866,121.68, 19,135,182.60 and 7,754,574.48 is: 10,701,276.25
Step by Step Solution
- Step 1: Write the proportion equation
13,866,121.68 : 19,135,182.60 = 7,754,574.48 : x - Step 2: Convert to fraction form
13,866,121.68/19,135,182.60 = 7,754,574.48/x - Step 3: Cross multiply
13,866,121.68x = 19,135,182.60 × 7,754,574.48 - Step 4: Simplify right side
13,866,121.68x = 148,385,198,660,100.06 - Step 5: Solve for x
x = 148,385,198,660,100.06/13,866,121.68 - Step 6: Final answer
x = 10,701,276.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.