Finding the Fourth Proportional to 16,805,991.68, 23,190,959.04 and 9,929,169.44
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Solution
The fourth proportional to 16,805,991.68, 23,190,959.04 and 9,929,169.44 is: 13,701,480.17
Step by Step Solution
- Step 1: Write the proportion equation
16,805,991.68 : 23,190,959.04 = 9,929,169.44 : x - Step 2: Convert to fraction form
16,805,991.68/23,190,959.04 = 9,929,169.44/x - Step 3: Cross multiply
16,805,991.68x = 23,190,959.04 × 9,929,169.44 - Step 4: Simplify right side
16,805,991.68x = 230,266,961,784,259.72 - Step 5: Solve for x
x = 230,266,961,784,259.72/16,805,991.68 - Step 6: Final answer
x = 13,701,480.17
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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.