Finding the Fourth Proportional to 10,173,733.30, 15,278,314.65 and 5,390,764.30
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Solution
The fourth proportional to 10,173,733.30, 15,278,314.65 and 5,390,764.30 is: 8,095,532.95
Step by Step Solution
- Step 1: Write the proportion equation
10,173,733.30 : 15,278,314.65 = 5,390,764.30 : x - Step 2: Convert to fraction form
10,173,733.30/15,278,314.65 = 5,390,764.30/x - Step 3: Cross multiply
10,173,733.30x = 15,278,314.65 × 5,390,764.30 - Step 4: Simplify right side
10,173,733.30x = 82,361,793,179,387 - Step 5: Solve for x
x = 82,361,793,179,387/10,173,733.30 - Step 6: Final answer
x = 8,095,532.95
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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.