Finding the Fourth Proportional to 11,479,793.76, 15,842,113.56 and 6,323,155.08
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Solution
The fourth proportional to 11,479,793.76, 15,842,113.56 and 6,323,155.08 is: 8,725,953.00
Step by Step Solution
- Step 1: Write the proportion equation
11,479,793.76 : 15,842,113.56 = 6,323,155.08 : x - Step 2: Convert to fraction form
11,479,793.76/15,842,113.56 = 6,323,155.08/x - Step 3: Cross multiply
11,479,793.76x = 15,842,113.56 × 6,323,155.08 - Step 4: Simplify right side
11,479,793.76x = 100,172,140,834,850.89 - Step 5: Solve for x
x = 100,172,140,834,850.89/11,479,793.76 - Step 6: Final answer
x = 8,725,953.00
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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.