Finding the Fourth Proportional to 26,107,789.80, 39,146,132.70 and 16,017,652.20
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Solution
The fourth proportional to 26,107,789.80, 39,146,132.70 and 16,017,652.20 is: 24,016,936.84
Step by Step Solution
- Step 1: Write the proportion equation
26,107,789.80 : 39,146,132.70 = 16,017,652.20 : x - Step 2: Convert to fraction form
26,107,789.80/39,146,132.70 = 16,017,652.20/x - Step 3: Cross multiply
26,107,789.80x = 39,146,132.70 × 16,017,652.20 - Step 4: Simplify right side
26,107,789.80x = 627,029,138,563,647 - Step 5: Solve for x
x = 627,029,138,563,647/26,107,789.80 - Step 6: Final answer
x = 24,016,936.84
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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.