Finding the Fourth Proportional to 40,076,982.36, 55,306,255.68 and 21,742,263
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Solution
The fourth proportional to 40,076,982.36, 55,306,255.68 and 21,742,263 is: 30,004,333.80
Step by Step Solution
- Step 1: Write the proportion equation
40,076,982.36 : 55,306,255.68 = 21,742,263 : x - Step 2: Convert to fraction form
40,076,982.36/55,306,255.68 = 21,742,263/x - Step 3: Cross multiply
40,076,982.36x = 55,306,255.68 × 21,742,263 - Step 4: Simplify right side
40,076,982.36x = 1,202,483,156,539,803.75 - Step 5: Solve for x
x = 1,202,483,156,539,803.75/40,076,982.36 - Step 6: Final answer
x = 30,004,333.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.