Finding the Fourth Proportional to 7,580,203.47, 11,368,630.08 and 2,187,680.76
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Solution
The fourth proportional to 7,580,203.47, 11,368,630.08 and 2,187,680.76 is: 3,281,037.69
Step by Step Solution
- Step 1: Write the proportion equation
7,580,203.47 : 11,368,630.08 = 2,187,680.76 : x - Step 2: Convert to fraction form
7,580,203.47/11,368,630.08 = 2,187,680.76/x - Step 3: Cross multiply
7,580,203.47x = 11,368,630.08 × 2,187,680.76 - Step 4: Simplify right side
7,580,203.47x = 24,870,933,293,573.26 - Step 5: Solve for x
x = 24,870,933,293,573.26/7,580,203.47 - Step 6: Final answer
x = 3,281,037.69
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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.