Finding the Fourth Proportional to 11,376,410.21, 17,068,913.07 and 6,830,628.65
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Solution
The fourth proportional to 11,376,410.21, 17,068,913.07 and 6,830,628.65 is: 10,248,523.43
Step by Step Solution
- Step 1: Write the proportion equation
11,376,410.21 : 17,068,913.07 = 6,830,628.65 : x - Step 2: Convert to fraction form
11,376,410.21/17,068,913.07 = 6,830,628.65/x - Step 3: Cross multiply
11,376,410.21x = 17,068,913.07 × 6,830,628.65 - Step 4: Simplify right side
11,376,410.21x = 116,591,406,520,803.75 - Step 5: Solve for x
x = 116,591,406,520,803.75/11,376,410.21 - Step 6: Final answer
x = 10,248,523.43
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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.