Finding the Fourth Proportional to 39,918,490.22, 55,037,580.63 and 33,312,612.98
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Solution
The fourth proportional to 39,918,490.22, 55,037,580.63 and 33,312,612.98 is: 45,929,733.63
Step by Step Solution
- Step 1: Write the proportion equation
39,918,490.22 : 55,037,580.63 = 33,312,612.98 : x - Step 2: Convert to fraction form
39,918,490.22/55,037,580.63 = 33,312,612.98/x - Step 3: Cross multiply
39,918,490.22x = 55,037,580.63 × 33,312,612.98 - Step 4: Simplify right side
39,918,490.22x = 1,833,445,622,882,734.75 - Step 5: Solve for x
x = 1,833,445,622,882,734.75/39,918,490.22 - Step 6: Final answer
x = 45,929,733.63
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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.