Finding the Fourth Proportional to 11,277,772.43, 15,563,337.47 and 6,121,135.04
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Solution
The fourth proportional to 11,277,772.43, 15,563,337.47 and 6,121,135.04 is: 8,447,172.61
Step by Step Solution
- Step 1: Write the proportion equation
11,277,772.43 : 15,563,337.47 = 6,121,135.04 : x - Step 2: Convert to fraction form
11,277,772.43/15,563,337.47 = 6,121,135.04/x - Step 3: Cross multiply
11,277,772.43x = 15,563,337.47 × 6,121,135.04 - Step 4: Simplify right side
11,277,772.43x = 95,265,290,326,961.95 - Step 5: Solve for x
x = 95,265,290,326,961.95/11,277,772.43 - Step 6: Final answer
x = 8,447,172.61
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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.