Finding the Fourth Proportional to 20,076,933.36, 27,706,070.68 and 11,375,088.88
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Solution
The fourth proportional to 20,076,933.36, 27,706,070.68 and 11,375,088.88 is: 15,697,567.49
Step by Step Solution
- Step 1: Write the proportion equation
20,076,933.36 : 27,706,070.68 = 11,375,088.88 : x - Step 2: Convert to fraction form
20,076,933.36/27,706,070.68 = 11,375,088.88/x - Step 3: Cross multiply
20,076,933.36x = 27,706,070.68 × 11,375,088.88 - Step 4: Simplify right side
20,076,933.36x = 315,159,016,500,562.06 - Step 5: Solve for x
x = 315,159,016,500,562.06/20,076,933.36 - Step 6: Final answer
x = 15,697,567.49
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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.