Finding the Fourth Proportional to 24,604,355.70, 36,906,533.55 and 13,266,947.70
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Solution
The fourth proportional to 24,604,355.70, 36,906,533.55 and 13,266,947.70 is: 19,900,421.55
Step by Step Solution
- Step 1: Write the proportion equation
24,604,355.70 : 36,906,533.55 = 13,266,947.70 : x - Step 2: Convert to fraction form
24,604,355.70/36,906,533.55 = 13,266,947.70/x - Step 3: Cross multiply
24,604,355.70x = 36,906,533.55 × 13,266,947.70 - Step 4: Simplify right side
24,604,355.70x = 489,637,050,396,145.25 - Step 5: Solve for x
x = 489,637,050,396,145.25/24,604,355.70 - Step 6: Final answer
x = 19,900,421.55
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Double scale
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Similar ratio
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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.