Finding the Fourth Proportional to 14,623,858.93, 20,201,946.57 and 11,679,810.70
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Solution
The fourth proportional to 14,623,858.93, 20,201,946.57 and 11,679,810.70 is: 16,134,928.05
Step by Step Solution
- Step 1: Write the proportion equation
14,623,858.93 : 20,201,946.57 = 11,679,810.70 : x - Step 2: Convert to fraction form
14,623,858.93/20,201,946.57 = 11,679,810.70/x - Step 3: Cross multiply
14,623,858.93x = 20,201,946.57 × 11,679,810.70 - Step 4: Simplify right side
14,623,858.93x = 235,954,911,709,114.28 - Step 5: Solve for x
x = 235,954,911,709,114.28/14,623,858.93 - Step 6: Final answer
x = 16,134,928.05
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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.