Finding the Fourth Proportional to 12,055,145.20, 16,636,106.84 and 6,622,987.12
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Solution
The fourth proportional to 12,055,145.20, 16,636,106.84 and 6,622,987.12 is: 9,139,725.77
Step by Step Solution
- Step 1: Write the proportion equation
12,055,145.20 : 16,636,106.84 = 6,622,987.12 : x - Step 2: Convert to fraction form
12,055,145.20/16,636,106.84 = 6,622,987.12/x - Step 3: Cross multiply
12,055,145.20x = 16,636,106.84 × 6,622,987.12 - Step 4: Simplify right side
12,055,145.20x = 110,180,721,211,968.44 - Step 5: Solve for x
x = 110,180,721,211,968.44/12,055,145.20 - Step 6: Final answer
x = 9,139,725.77
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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.