Finding the Fourth Proportional to 40,135,407.92, 55,391,457.52 and 22,499,073.84
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Solution
The fourth proportional to 40,135,407.92, 55,391,457.52 and 22,499,073.84 is: 31,051,297.53
Step by Step Solution
- Step 1: Write the proportion equation
40,135,407.92 : 55,391,457.52 = 22,499,073.84 : x - Step 2: Convert to fraction form
40,135,407.92/55,391,457.52 = 22,499,073.84/x - Step 3: Cross multiply
40,135,407.92x = 55,391,457.52 × 22,499,073.84 - Step 4: Simplify right side
40,135,407.92x = 1,246,256,492,847,703.25 - Step 5: Solve for x
x = 1,246,256,492,847,703.25/40,135,407.92 - Step 6: Final answer
x = 31,051,297.53
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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.