Finding the Fourth Proportional to 12,852,309.16, 19,277,674.98 and 5,279,078.44
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Solution
The fourth proportional to 12,852,309.16, 19,277,674.98 and 5,279,078.44 is: 7,918,293.68
Step by Step Solution
- Step 1: Write the proportion equation
12,852,309.16 : 19,277,674.98 = 5,279,078.44 : x - Step 2: Convert to fraction form
12,852,309.16/19,277,674.98 = 5,279,078.44/x - Step 3: Cross multiply
12,852,309.16x = 19,277,674.98 × 5,279,078.44 - Step 4: Simplify right side
12,852,309.16x = 101,768,358,360,245.44 - Step 5: Solve for x
x = 101,768,358,360,245.44/12,852,309.16 - Step 6: Final answer
x = 7,918,293.68
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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.