Finding the Fourth Proportional to 37,130,028.84, 55,694,818.62 and 20,198,307.24
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Solution
The fourth proportional to 37,130,028.84, 55,694,818.62 and 20,198,307.24 is: 30,297,338.66
Step by Step Solution
- Step 1: Write the proportion equation
37,130,028.84 : 55,694,818.62 = 20,198,307.24 : x - Step 2: Convert to fraction form
37,130,028.84/55,694,818.62 = 20,198,307.24/x - Step 3: Cross multiply
37,130,028.84x = 55,694,818.62 × 20,198,307.24 - Step 4: Simplify right side
37,130,028.84x = 1,124,941,058,162,832.62 - Step 5: Solve for x
x = 1,124,941,058,162,832.62/37,130,028.84 - Step 6: Final answer
x = 30,297,338.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.