Finding the Fourth Proportional to 40,288,989.24, 55,598,876.01 and 21,954,274.74
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Solution
The fourth proportional to 40,288,989.24, 55,598,876.01 and 21,954,274.74 is: 30,296,937.75
Step by Step Solution
- Step 1: Write the proportion equation
40,288,989.24 : 55,598,876.01 = 21,954,274.74 : x - Step 2: Convert to fraction form
40,288,989.24/55,598,876.01 = 21,954,274.74/x - Step 3: Cross multiply
40,288,989.24x = 55,598,876.01 × 21,954,274.74 - Step 4: Simplify right side
40,288,989.24x = 1,220,632,999,158,734.75 - Step 5: Solve for x
x = 1,220,632,999,158,734.75/40,288,989.24 - Step 6: Final answer
x = 30,296,937.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.