Finding the Fourth Proportional to 22,076,969.68, 33,120,965.80 and 7,700,244.08
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Solution
The fourth proportional to 22,076,969.68, 33,120,965.80 and 7,700,244.08 is: 11,552,288.40
Step by Step Solution
- Step 1: Write the proportion equation
22,076,969.68 : 33,120,965.80 = 7,700,244.08 : x - Step 2: Convert to fraction form
22,076,969.68/33,120,965.80 = 7,700,244.08/x - Step 3: Cross multiply
22,076,969.68x = 33,120,965.80 × 7,700,244.08 - Step 4: Simplify right side
22,076,969.68x = 255,039,520,825,332.47 - Step 5: Solve for x
x = 255,039,520,825,332.47/22,076,969.68 - Step 6: Final answer
x = 11,552,288.40
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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.