Finding the Fourth Proportional to 7,156,768.68, 9,876,364.26 and 3,893,582.44
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Solution
The fourth proportional to 7,156,768.68, 9,876,364.26 and 3,893,582.44 is: 5,373,156.54
Step by Step Solution
- Step 1: Write the proportion equation
7,156,768.68 : 9,876,364.26 = 3,893,582.44 : x - Step 2: Convert to fraction form
7,156,768.68/9,876,364.26 = 3,893,582.44/x - Step 3: Cross multiply
7,156,768.68x = 9,876,364.26 × 3,893,582.44 - Step 4: Simplify right side
7,156,768.68x = 38,454,438,453,779.59 - Step 5: Solve for x
x = 38,454,438,453,779.59/7,156,768.68 - Step 6: Final answer
x = 5,373,156.54
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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.