Finding the Fourth Proportional to 11,285,900.82, 15,574,634.64 and 6,129,299.28
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Solution
The fourth proportional to 11,285,900.82, 15,574,634.64 and 6,129,299.28 is: 8,458,482.70
Step by Step Solution
- Step 1: Write the proportion equation
11,285,900.82 : 15,574,634.64 = 6,129,299.28 : x - Step 2: Convert to fraction form
11,285,900.82/15,574,634.64 = 6,129,299.28/x - Step 3: Cross multiply
11,285,900.82x = 15,574,634.64 × 6,129,299.28 - Step 4: Simplify right side
11,285,900.82x = 95,461,596,885,215.06 - Step 5: Solve for x
x = 95,461,596,885,215.06/11,285,900.82 - Step 6: Final answer
x = 8,458,482.70
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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.