Finding the Fourth Proportional to 16,542,001.80, 24,813,002.70 and 12,290,473.80
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Solution
The fourth proportional to 16,542,001.80, 24,813,002.70 and 12,290,473.80 is: 18,435,710.70
Step by Step Solution
- Step 1: Write the proportion equation
16,542,001.80 : 24,813,002.70 = 12,290,473.80 : x - Step 2: Convert to fraction form
16,542,001.80/24,813,002.70 = 12,290,473.80/x - Step 3: Cross multiply
16,542,001.80x = 24,813,002.70 × 12,290,473.80 - Step 4: Simplify right side
16,542,001.80x = 304,963,559,583,679.25 - Step 5: Solve for x
x = 304,963,559,583,679.25/16,542,001.80 - Step 6: Final answer
x = 18,435,710.70
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1.5x scale
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.