Finding the Fourth Proportional to 20,076,746.40, 27,705,817.44 and 11,374,899.84
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Solution
The fourth proportional to 20,076,746.40, 27,705,817.44 and 11,374,899.84 is: 15,697,309.32
Step by Step Solution
- Step 1: Write the proportion equation
20,076,746.40 : 27,705,817.44 = 11,374,899.84 : x - Step 2: Convert to fraction form
20,076,746.40/27,705,817.44 = 11,374,899.84/x - Step 3: Cross multiply
20,076,746.40x = 27,705,817.44 × 11,374,899.84 - Step 4: Simplify right side
20,076,746.40x = 315,150,898,365,325.25 - Step 5: Solve for x
x = 315,150,898,365,325.25/20,076,746.40 - Step 6: Final answer
x = 15,697,309.32
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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.