Finding the Fourth Proportional to 16,016,646.30, 22,102,964.96 and 8,674,479.81
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Solution
The fourth proportional to 16,016,646.30, 22,102,964.96 and 8,674,479.81 is: 11,970,778.38
Step by Step Solution
- Step 1: Write the proportion equation
16,016,646.30 : 22,102,964.96 = 8,674,479.81 : x - Step 2: Convert to fraction form
16,016,646.30/22,102,964.96 = 8,674,479.81/x - Step 3: Cross multiply
16,016,646.30x = 22,102,964.96 × 8,674,479.81 - Step 4: Simplify right side
16,016,646.30x = 191,731,723,243,285.06 - Step 5: Solve for x
x = 191,731,723,243,285.06/16,016,646.30 - Step 6: Final answer
x = 11,970,778.38
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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.