Finding the Fourth Proportional to 10,071,136.24, 13,898,170 and 5,487,457.62
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Solution
The fourth proportional to 10,071,136.24, 13,898,170 and 5,487,457.62 is: 7,572,692.60
Step by Step Solution
- Step 1: Write the proportion equation
10,071,136.24 : 13,898,170 = 5,487,457.62 : x - Step 2: Convert to fraction form
10,071,136.24/13,898,170 = 5,487,457.62/x - Step 3: Cross multiply
10,071,136.24x = 13,898,170 × 5,487,457.62 - Step 4: Simplify right side
10,071,136.24x = 76,265,618,870,555.41 - Step 5: Solve for x
x = 76,265,618,870,555.41/10,071,136.24 - Step 6: Final answer
x = 7,572,692.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.