Finding the Fourth Proportional to 22,076,968.68, 33,120,964.30 and 7,700,243.08
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Solution
The fourth proportional to 22,076,968.68, 33,120,964.30 and 7,700,243.08 is: 11,552,286.90
Step by Step Solution
- Step 1: Write the proportion equation
22,076,968.68 : 33,120,964.30 = 7,700,243.08 : x - Step 2: Convert to fraction form
22,076,968.68/33,120,964.30 = 7,700,243.08/x - Step 3: Cross multiply
22,076,968.68x = 33,120,964.30 × 7,700,243.08 - Step 4: Simplify right side
22,076,968.68x = 255,039,476,154,002.06 - Step 5: Solve for x
x = 255,039,476,154,002.06/22,076,968.68 - Step 6: Final answer
x = 11,552,286.90
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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.