Finding the Fourth Proportional to 11,510,787.99, 15,884,925.48 and 6,354,137.25
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Solution
The fourth proportional to 11,510,787.99, 15,884,925.48 and 6,354,137.25 is: 8,768,730.41
Step by Step Solution
- Step 1: Write the proportion equation
11,510,787.99 : 15,884,925.48 = 6,354,137.25 : x - Step 2: Convert to fraction form
11,510,787.99/15,884,925.48 = 6,354,137.25/x - Step 3: Cross multiply
11,510,787.99x = 15,884,925.48 × 6,354,137.25 - Step 4: Simplify right side
11,510,787.99x = 100,934,996,705,942.14 - Step 5: Solve for x
x = 100,934,996,705,942.14/11,510,787.99 - Step 6: Final answer
x = 8,768,730.41
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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.