Finding the Fourth Proportional to 10,959,400.80, 16,439,101.20 and 6,697,375.20
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Solution
The fourth proportional to 10,959,400.80, 16,439,101.20 and 6,697,375.20 is: 10,046,062.80
Step by Step Solution
- Step 1: Write the proportion equation
10,959,400.80 : 16,439,101.20 = 6,697,375.20 : x - Step 2: Convert to fraction form
10,959,400.80/16,439,101.20 = 6,697,375.20/x - Step 3: Cross multiply
10,959,400.80x = 16,439,101.20 × 6,697,375.20 - Step 4: Simplify right side
10,959,400.80x = 110,098,828,687,170.23 - Step 5: Solve for x
x = 110,098,828,687,170.23/10,959,400.80 - Step 6: Final answer
x = 10,046,062.80
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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.