Finding the Fourth Proportional to 26,293,457.80, 39,440,186.70 and 22,136,408.20
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Solution
The fourth proportional to 26,293,457.80, 39,440,186.70 and 22,136,408.20 is: 33,204,612.30
Step by Step Solution
- Step 1: Write the proportion equation
26,293,457.80 : 39,440,186.70 = 22,136,408.20 : x - Step 2: Convert to fraction form
26,293,457.80/39,440,186.70 = 22,136,408.20/x - Step 3: Cross multiply
26,293,457.80x = 39,440,186.70 × 22,136,408.20 - Step 4: Simplify right side
26,293,457.80x = 873,064,072,275,411 - Step 5: Solve for x
x = 873,064,072,275,411/26,293,457.80 - Step 6: Final answer
x = 33,204,612.30
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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.