Finding the Fourth Proportional to 20,579,825.80, 30,871,182.12 and 6,203,012.68
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Solution
The fourth proportional to 20,579,825.80, 30,871,182.12 and 6,203,012.68 is: 9,304,954.08
Step by Step Solution
- Step 1: Write the proportion equation
20,579,825.80 : 30,871,182.12 = 6,203,012.68 : x - Step 2: Convert to fraction form
20,579,825.80/30,871,182.12 = 6,203,012.68/x - Step 3: Cross multiply
20,579,825.80x = 30,871,182.12 × 6,203,012.68 - Step 4: Simplify right side
20,579,825.80x = 191,494,334,136,949.28 - Step 5: Solve for x
x = 191,494,334,136,949.28/20,579,825.80 - Step 6: Final answer
x = 9,304,954.08
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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.