Finding the Fourth Proportional to 10,491,207.84, 15,736,089.24 and 6,448,319.64
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Solution
The fourth proportional to 10,491,207.84, 15,736,089.24 and 6,448,319.64 is: 9,672,035.37
Step by Step Solution
- Step 1: Write the proportion equation
10,491,207.84 : 15,736,089.24 = 6,448,319.64 : x - Step 2: Convert to fraction form
10,491,207.84/15,736,089.24 = 6,448,319.64/x - Step 3: Cross multiply
10,491,207.84x = 15,736,089.24 × 6,448,319.64 - Step 4: Simplify right side
10,491,207.84x = 101,471,333,303,084.67 - Step 5: Solve for x
x = 101,471,333,303,084.67/10,491,207.84 - Step 6: Final answer
x = 9,672,035.37
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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.