Finding the Fourth Proportional to 19,193,473.14, 28,790,209.70 and 6,413,977.84
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Solution
The fourth proportional to 19,193,473.14, 28,790,209.70 and 6,413,977.84 is: 9,620,966.76
Step by Step Solution
- Step 1: Write the proportion equation
19,193,473.14 : 28,790,209.70 = 6,413,977.84 : x - Step 2: Convert to fraction form
19,193,473.14/28,790,209.70 = 6,413,977.84/x - Step 3: Cross multiply
19,193,473.14x = 28,790,209.70 × 6,413,977.84 - Step 4: Simplify right side
19,193,473.14x = 184,659,767,024,753.03 - Step 5: Solve for x
x = 184,659,767,024,753.03/19,193,473.14 - Step 6: Final answer
x = 9,620,966.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.