Finding the Fourth Proportional to 16,028,451.24, 22,119,281.63 and 8,686,284.33
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Solution
The fourth proportional to 16,028,451.24, 22,119,281.63 and 8,686,284.33 is: 11,987,082.63
Step by Step Solution
- Step 1: Write the proportion equation
16,028,451.24 : 22,119,281.63 = 8,686,284.33 : x - Step 2: Convert to fraction form
16,028,451.24/22,119,281.63 = 8,686,284.33/x - Step 3: Cross multiply
16,028,451.24x = 22,119,281.63 × 8,686,284.33 - Step 4: Simplify right side
16,028,451.24x = 192,134,369,413,525.84 - Step 5: Solve for x
x = 192,134,369,413,525.84/16,028,451.24 - Step 6: Final answer
x = 11,987,082.63
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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.