Finding the Fourth Proportional to 17,912,542.88, 24,720,172.18 and 10,074,509.84
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Solution
The fourth proportional to 17,912,542.88, 24,720,172.18 and 10,074,509.84 is: 13,903,308.96
Step by Step Solution
- Step 1: Write the proportion equation
17,912,542.88 : 24,720,172.18 = 10,074,509.84 : x - Step 2: Convert to fraction form
17,912,542.88/24,720,172.18 = 10,074,509.84/x - Step 3: Cross multiply
17,912,542.88x = 24,720,172.18 × 10,074,509.84 - Step 4: Simplify right side
17,912,542.88x = 249,043,617,873,904.25 - Step 5: Solve for x
x = 249,043,617,873,904.25/17,912,542.88 - Step 6: Final answer
x = 13,903,308.96
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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.