Finding the Fourth Proportional to 39,011,754.03, 53,836,219.58 and 21,609,220.26
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Solution
The fourth proportional to 39,011,754.03, 53,836,219.58 and 21,609,220.26 is: 29,820,723.42
Step by Step Solution
- Step 1: Write the proportion equation
39,011,754.03 : 53,836,219.58 = 21,609,220.26 : x - Step 2: Convert to fraction form
39,011,754.03/53,836,219.58 = 21,609,220.26/x - Step 3: Cross multiply
39,011,754.03x = 53,836,219.58 × 21,609,220.26 - Step 4: Simplify right side
39,011,754.03x = 1,163,358,726,869,944.75 - Step 5: Solve for x
x = 1,163,358,726,869,944.75/39,011,754.03 - Step 6: Final answer
x = 29,820,723.42
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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.