Finding the Fourth Proportional to 16,016,645.55, 22,102,963.92 and 8,674,479.06
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Solution
The fourth proportional to 16,016,645.55, 22,102,963.92 and 8,674,479.06 is: 11,970,777.34
Step by Step Solution
- Step 1: Write the proportion equation
16,016,645.55 : 22,102,963.92 = 8,674,479.06 : x - Step 2: Convert to fraction form
16,016,645.55/22,102,963.92 = 8,674,479.06/x - Step 3: Cross multiply
16,016,645.55x = 22,102,963.92 × 8,674,479.06 - Step 4: Simplify right side
16,016,645.55x = 191,731,697,687,975.53 - Step 5: Solve for x
x = 191,731,697,687,975.53/16,016,645.55 - Step 6: Final answer
x = 11,970,777.34
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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.