Finding the Fourth Proportional to 16,212,246.12, 22,370,690.06 and 9,684,489.87
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Solution
The fourth proportional to 16,212,246.12, 22,370,690.06 and 9,684,489.87 is: 13,363,276.11
Step by Step Solution
- Step 1: Write the proportion equation
16,212,246.12 : 22,370,690.06 = 9,684,489.87 : x - Step 2: Convert to fraction form
16,212,246.12/22,370,690.06 = 9,684,489.87/x - Step 3: Cross multiply
16,212,246.12x = 22,370,690.06 × 9,684,489.87 - Step 4: Simplify right side
16,212,246.12x = 216,648,721,258,874.06 - Step 5: Solve for x
x = 216,648,721,258,874.06/16,212,246.12 - Step 6: Final answer
x = 13,363,276.11
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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.