Finding the Fourth Proportional to 30,791,049.44, 42,489,919.37 and 16,852,376.14
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Solution
The fourth proportional to 30,791,049.44, 42,489,919.37 and 16,852,376.14 is: 23,255,332.84
Step by Step Solution
- Step 1: Write the proportion equation
30,791,049.44 : 42,489,919.37 = 16,852,376.14 : x - Step 2: Convert to fraction form
30,791,049.44/42,489,919.37 = 16,852,376.14/x - Step 3: Cross multiply
30,791,049.44x = 42,489,919.37 × 16,852,376.14 - Step 4: Simplify right side
30,791,049.44x = 716,056,103,306,075.38 - Step 5: Solve for x
x = 716,056,103,306,075.38/30,791,049.44 - Step 6: Final answer
x = 23,255,332.84
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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.