Finding the Fourth Proportional to 16,620,134.73, 22,769,478.35 and 15,998,619.14
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Solution
The fourth proportional to 16,620,134.73, 22,769,478.35 and 15,998,619.14 is: 21,918,005.95
Step by Step Solution
- Step 1: Write the proportion equation
16,620,134.73 : 22,769,478.35 = 15,998,619.14 : x - Step 2: Convert to fraction form
16,620,134.73/22,769,478.35 = 15,998,619.14/x - Step 3: Cross multiply
16,620,134.73x = 22,769,478.35 × 15,998,619.14 - Step 4: Simplify right side
16,620,134.73x = 364,280,211,944,285.12 - Step 5: Solve for x
x = 364,280,211,944,285.12/16,620,134.73 - Step 6: Final answer
x = 21,918,005.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.